Class: Google::Cloud::Dialogflow::V2::Intent::Message

Inherits:

Object

• Object
• Google::Cloud::Dialogflow::V2::Intent::Message

Extended by:

Protobuf::MessageExts::ClassMethods

Includes:

Protobuf::MessageExts

Defined in:

proto_docs/google/cloud/dialogflow/v2/intent.rb

Overview

A rich response message. Corresponds to the intent Response field in the Dialogflow console. For more information, see Rich response messages.

Defined Under Namespace

Modules: Platform Classes: BasicCard, BrowseCarouselCard, Card, CarouselSelect, ColumnProperties, Image, LinkOutSuggestion, ListSelect, MediaContent, QuickReplies, SelectItemInfo, SimpleResponse, SimpleResponses, Suggestion, Suggestions, TableCard, TableCardCell, TableCardRow, Text

Instance Attribute Summary

• #basic_card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard

  The basic card response for Actions on Google.

• #browse_carousel_card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard

  Browse carousel card for Actions on Google.

• #card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Card

  The card response.

• #carousel_select ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect

  The carousel card response for Actions on Google.

• #image ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Image

  The image response.

• #link_out_suggestion ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::LinkOutSuggestion

  The link out suggestion chip for Actions on Google.

• #list_select ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect

  The list card response for Actions on Google.

• #media_content ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent

  The media content card for Actions on Google.

• #payload ⇒ ::Google::Protobuf::Struct

  A custom platform-specific response.

• #platform ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Platform

  Optional.

• #quick_replies ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::QuickReplies

  The quick replies response.

• #simple_responses ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponses

  The voice and text-only responses for Actions on Google.

• #suggestions ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestions

  The suggestion chips for Actions on Google.

• #table_card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard

  Table card for Actions on Google.

• #text ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Text

  The text response.

Instance Attribute Details

#basic_card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard

Returns The basic card response for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard) —

  The basic card response for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#browse_carousel_card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard

Returns Browse carousel card for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard) —

  Browse carousel card for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Card

Returns The card response.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::Card) —

  The card response.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#carousel_select ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect

Returns The carousel card response for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect) —

  The carousel card response for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#image ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Image

Returns The image response.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::Image) —

  The image response.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#link_out_suggestion ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::LinkOutSuggestion

Returns The link out suggestion chip for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::LinkOutSuggestion) —

  The link out suggestion chip for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#list_select ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect

Returns The list card response for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect) —

  The list card response for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#media_content ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent

Returns The media content card for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent) —

  The media content card for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#payload ⇒ ::Google::Protobuf::Struct

Returns A custom platform-specific response.

Returns:

• (::Google::Protobuf::Struct) —

  A custom platform-specific response.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#platform ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Platform

Returns Optional. The platform that this message is intended for.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::Platform) —

  Optional. The platform that this message is intended for.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#quick_replies ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::QuickReplies

Returns The quick replies response.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::QuickReplies) —

  The quick replies response.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#simple_responses ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponses

Returns The voice and text-only responses for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponses) —

  The voice and text-only responses for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#suggestions ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestions

Returns The suggestion chips for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestions) —

  The suggestion chips for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#table_card ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard

Returns Table card for Actions on Google.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard) —

  Table card for Actions on Google.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end

#text ⇒ ::Google::Cloud::Dialogflow::V2::Intent::Message::Text

Returns The text response.

Returns:

• (::Google::Cloud::Dialogflow::V2::Intent::Message::Text) —

  The text response.

# File 'proto_docs/google/cloud/dialogflow/v2/intent.rb', line 322

class Message
  include ::Google::Protobuf::MessageExts
  extend ::Google::Protobuf::MessageExts::ClassMethods

  # The text response message.
  # @!attribute [rw] text
  #   @return [::Array<::String>]
  #     Optional. The collection of the agent's responses.
  class Text
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The image response message.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file.
  # @!attribute [rw] accessibility_text
  #   @return [::String]
  #     Optional. A text description of the image to be used for accessibility,
  #     e.g., screen readers.
  class Image
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The quick replies response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the collection of quick replies.
  # @!attribute [rw] quick_replies
  #   @return [::Array<::String>]
  #     Optional. The collection of quick replies.
  class QuickReplies
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card response message.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] image_uri
  #   @return [::String]
  #     Optional. The public URI to an image file for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Card::Button>]
  #     Optional. The collection of card buttons.
  class Card
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Contains information about a button.
    # @!attribute [rw] text
    #   @return [::String]
    #     Optional. The text to show on the button.
    # @!attribute [rw] postback
    #   @return [::String]
    #     Optional. The text to send back to the Dialogflow API or a URI to
    #     open.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The simple response message containing speech or text.
  # @!attribute [rw] text_to_speech
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. The plain text of the
  #     speech output. Mutually exclusive with ssml.
  # @!attribute [rw] ssml
  #   @return [::String]
  #     One of text_to_speech or ssml must be provided. Structured spoken
  #     response to the user in the SSML format. Mutually exclusive with
  #     text_to_speech.
  # @!attribute [rw] display_text
  #   @return [::String]
  #     Optional. The text to display.
  class SimpleResponse
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of simple response candidates.
  # This message in `QueryResult.fulfillment_messages` and
  # `WebhookResponse.fulfillment_messages` should contain only one
  # `SimpleResponse`.
  # @!attribute [rw] simple_responses
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::SimpleResponse>]
  #     Required. The list of simple responses.
  class SimpleResponses
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The basic card message. Useful for displaying information.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. The subtitle of the card.
  # @!attribute [rw] formatted_text
  #   @return [::String]
  #     Required, unless image is present. The body text of the card.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. The image for the card.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. The collection of card buttons.
  class BasicCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # The button object that appears at the bottom of a card.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the button.
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button::OpenUriAction]
    #     Required. Action to take when a user taps on the button.
    class Button
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Opens the given URI.
      # @!attribute [rw] uri
      #   @return [::String]
      #     Required. The HTTP or HTTPS scheme URI.
      class OpenUriAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods
      end
    end
  end

  # The suggestion chip message that the user can tap to quickly post a reply
  # to the conversation.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. The text shown the in the suggestion chip.
  class Suggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The collection of suggestions.
  # @!attribute [rw] suggestions
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::Suggestion>]
  #     Required. The list of suggested replies.
  class Suggestions
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The suggestion chip message that allows the user to jump out to the app
  # or website associated with this agent.
  # @!attribute [rw] destination_name
  #   @return [::String]
  #     Required. The name of the app or site this chip is linking to.
  # @!attribute [rw] uri
  #   @return [::String]
  #     Required. The URI of the app or site to open when the user taps the
  #     suggestion chip.
  class LinkOutSuggestion
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The card for presenting a list of options to select from.
  # @!attribute [rw] title
  #   @return [::String]
  #     Optional. The overall title of the list.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ListSelect::Item>]
  #     Required. List items.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle of the list.
  class ListSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the list.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional information about this option.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. The title of the list item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The main text describing the item.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # The card for presenting a carousel of options to select from.
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::CarouselSelect::Item>]
  #     Required. Carousel items.
  class CarouselSelect
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # An item in the carousel.
    # @!attribute [rw] info
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::SelectItemInfo]
    #     Required. Additional info about the option item.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. The body text of the card.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. The image to display.
    class Item
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end
  end

  # Additional info about the select item for when it is triggered in a
  # dialog.
  # @!attribute [rw] key
  #   @return [::String]
  #     Required. A unique key that will be sent back to the agent if this
  #     response is given.
  # @!attribute [rw] synonyms
  #   @return [::Array<::String>]
  #     Optional. A list of synonyms that can also be used to trigger this
  #     item in dialog.
  class SelectItemInfo
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The media content card for Actions on Google.
  # @!attribute [rw] media_type
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaType]
  #     Optional. What type of media is the content (ie "audio").
  # @!attribute [rw] media_objects
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::MediaContent::ResponseMediaObject>]
  #     Required. List of media objects.
  class MediaContent
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Response media object for media content card.
    # @!attribute [rw] name
    #   @return [::String]
    #     Required. Name of media card.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of media card.
    # @!attribute [rw] large_image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Image to display above media content.
    # @!attribute [rw] icon
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Icon to display above media content.
    # @!attribute [rw] content_url
    #   @return [::String]
    #     Required. Url where the media is stored.
    class ResponseMediaObject
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods
    end

    # Format of response media type.
    module ResponseMediaType
      # Unspecified.
      RESPONSE_MEDIA_TYPE_UNSPECIFIED = 0

      # Response media type is audio.
      AUDIO = 1
    end
  end

  # Browse Carousel Card for Actions on Google.
  # https://developers.google.com/actions/assistant/responses#browsing_carousel
  # @!attribute [rw] items
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem>]
  #     Required. List of items in the Browse Carousel Card. Minimum of two
  #     items, maximum of ten.
  # @!attribute [rw] image_display_options
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::ImageDisplayOptions]
  #     Optional. Settings for displaying the image. Applies to every image in
  #     {::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard#items items}.
  class BrowseCarouselCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Browsing carousel tile
    # @!attribute [rw] open_uri_action
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction]
    #     Required. Action to present to the user.
    # @!attribute [rw] title
    #   @return [::String]
    #     Required. Title of the carousel item. Maximum of two lines of text.
    # @!attribute [rw] description
    #   @return [::String]
    #     Optional. Description of the carousel item. Maximum of four lines of
    #     text.
    # @!attribute [rw] image
    #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
    #     Optional. Hero image for the carousel item.
    # @!attribute [rw] footer
    #   @return [::String]
    #     Optional. Text that appears at the bottom of the Browse Carousel
    #     Card. Maximum of one line of text.
    class BrowseCarouselCardItem
      include ::Google::Protobuf::MessageExts
      extend ::Google::Protobuf::MessageExts::ClassMethods

      # Actions on Google action to open a given url.
      # @!attribute [rw] url
      #   @return [::String]
      #     Required. URL
      # @!attribute [rw] url_type_hint
      #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::BrowseCarouselCard::BrowseCarouselCardItem::OpenUrlAction::UrlTypeHint]
      #     Optional. Specifies the type of viewer that is used when opening
      #     the URL. Defaults to opening via web browser.
      class OpenUrlAction
        include ::Google::Protobuf::MessageExts
        extend ::Google::Protobuf::MessageExts::ClassMethods

        # Type of the URI.
        module UrlTypeHint
          # Unspecified
          URL_TYPE_HINT_UNSPECIFIED = 0

          # Url would be an amp action
          AMP_ACTION = 1

          # URL that points directly to AMP content, or to a canonical URL
          # which refers to AMP content via <link rel="amphtml">.
          AMP_CONTENT = 2
        end
      end
    end

    # Image display options for Actions on Google. This should be used for
    # when the image's aspect ratio does not match the image container's
    # aspect ratio.
    module ImageDisplayOptions
      # Fill the gaps between the image and the image container with gray
      # bars.
      IMAGE_DISPLAY_OPTIONS_UNSPECIFIED = 0

      # Fill the gaps between the image and the image container with gray
      # bars.
      GRAY = 1

      # Fill the gaps between the image and the image container with white
      # bars.
      WHITE = 2

      # Image is scaled such that the image width and height match or exceed
      # the container dimensions. This may crop the top and bottom of the
      # image if the scaled image height is greater than the container
      # height, or crop the left and right of the image if the scaled image
      # width is greater than the container width. This is similar to "Zoom
      # Mode" on a widescreen TV when playing a 4:3 video.
      CROPPED = 3

      # Pad the gaps between image and image frame with a blurred copy of the
      # same image.
      BLURRED_BACKGROUND = 4
    end
  end

  # Table card for Actions on Google.
  # @!attribute [rw] title
  #   @return [::String]
  #     Required. Title of the card.
  # @!attribute [rw] subtitle
  #   @return [::String]
  #     Optional. Subtitle to the title.
  # @!attribute [rw] image
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::Image]
  #     Optional. Image which should be displayed on the card.
  # @!attribute [rw] column_properties
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties>]
  #     Optional. Display properties for the columns in this table.
  # @!attribute [rw] rows
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow>]
  #     Optional. Rows in this table of data.
  # @!attribute [rw] buttons
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::BasicCard::Button>]
  #     Optional. List of buttons for the card.
  class TableCard
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Column properties for
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] header
  #   @return [::String]
  #     Required. Column heading.
  # @!attribute [rw] horizontal_alignment
  #   @return [::Google::Cloud::Dialogflow::V2::Intent::Message::ColumnProperties::HorizontalAlignment]
  #     Optional. Defines text alignment for all cells in this column.
  class ColumnProperties
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods

    # Text alignments within a cell.
    module HorizontalAlignment
      # Text is aligned to the leading edge of the column.
      HORIZONTAL_ALIGNMENT_UNSPECIFIED = 0

      # Text is aligned to the leading edge of the column.
      LEADING = 1

      # Text is centered in the column.
      CENTER = 2

      # Text is aligned to the trailing edge of the column.
      TRAILING = 3
    end
  end

  # Row of {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCard TableCard}.
  # @!attribute [rw] cells
  #   @return [::Array<::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardCell>]
  #     Optional. List of cells that make up this row.
  # @!attribute [rw] divider_after
  #   @return [::Boolean]
  #     Optional. Whether to add a visual divider after this row.
  class TableCardRow
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # Cell of
  # {::Google::Cloud::Dialogflow::V2::Intent::Message::TableCardRow TableCardRow}.
  # @!attribute [rw] text
  #   @return [::String]
  #     Required. Text in this cell.
  class TableCardCell
    include ::Google::Protobuf::MessageExts
    extend ::Google::Protobuf::MessageExts::ClassMethods
  end

  # The rich response message integration platform. See
  # [Integrations](https://cloud.google.com/dialogflow/docs/integrations).
  module Platform
    # Default platform.
    PLATFORM_UNSPECIFIED = 0

    # Facebook.
    FACEBOOK = 1

    # Slack.
    SLACK = 2

    # Telegram.
    TELEGRAM = 3

    # Kik.
    KIK = 4

    # Skype.
    SKYPE = 5

    # Line.
    LINE = 6

    # Viber.
    VIBER = 7

    # Google Assistant
    # See [Dialogflow webhook
    # format](https://developers.google.com/assistant/actions/build/json/dialogflow-webhook-json)
    ACTIONS_ON_GOOGLE = 8

    # Google Hangouts.
    GOOGLE_HANGOUTS = 11
  end
end