Method: projects.conversations.participants.suggestions.suggestSmartReplies

Gets smart replies for a participant based on specific historical messages.

HTTP request

POST https://{endpoint}/v2/{parent=projects/*/conversations/*/participants/*}/suggestions:suggestSmartReplies

Where {endpoint} is one of the supported service endpoints.

The URLs use gRPC Transcoding syntax.

Path parameters



Required. The name of the participant to fetch suggestion for. Format: projects/<Project ID>/locations/<Location ID>/conversations/<Conversation ID>/participants/<Participant ID>.

Authorization requires the following IAM permission on the specified resource parent:

  • dialogflow.suggestions.list

Request body

The request body contains data with the following structure:

JSON representation
  "currentTextInput": {
    object (TextInput)
  "latestMessage": string,
  "contextSize": integer

object (TextInput)

The current natural language text segment to compile suggestion for. This provides a way for user to get follow up smart reply suggestion after a smart reply selection, without sending a text message.



The name of the latest conversation message to compile suggestion for. If empty, it will be the latest message of the conversation.

Format: projects/<Project ID>/locations/<Location ID>/conversations/<Conversation ID>/messages/<Message ID>.



Max number of messages prior to and including [latestMessage] to use as context when compiling the suggestion. By default 20 and at most 50.

Response body

If successful, the response body contains an instance of SuggestSmartRepliesResponse.

Authorization scopes

Requires one of the following OAuth scopes:


For more information, see the Authentication Overview.