List reactions for a message

This guide explains how to use the list() method on the Reaction resource of the Google Chat API to list reactions for a message—like 👍, 🚲, and 🌞.

The Reaction resource represents an emoji that people can use to react to a message, such as 👍, 🚲, and 🌞.

Prerequisites

Node.js

• A Business or Enterprise Google Workspace account with access to Google Chat.

• Set up your environment:
  • Create a Google Cloud project.
  • Configure the OAuth consent screen.
  • Enable and configure the Google Chat API with a name, icon, and description for your Chat app.
  • Install the Node.js Cloud Client Library.
  • Create OAuth client ID credentials for a desktop application. To run the sample in this guide, save the credentials as a JSON file named client_secrets.json to your local directory.
  For guidance, complete the steps for setting up your environment in this quickstart.
• Choose an authorization scope that supports user authentication.

The code samples in this page use the gRPC API interface with the Google Cloud client libraries. Alternatively, you can use the REST API interface. For more information about the gRPC and REST interfaces, see Google Chat API overview.

List reactions

To list the reactions for a message, pass the following in your request:

• Specify the chat.messages.reactions.readonly, chat.messages.reactions, chat.messages.readonly, or chat.messages authorization scope.
• Call the ListReactions() method, passing the parent as the resource name of the message.

The following example lists reactions for a specified message:

Node.js

chat/client-libraries/cloud/list-reactions-user-cred.js

View on GitHub

import {createClientWithUserCredentials} from './authentication-utils.js';

const USER_AUTH_OAUTH_SCOPES = ['https://www.googleapis.com/auth/chat.messages.reactions.readonly'];

// This sample shows how to list reactions to a message with user credential
async function main() {
  // Create a client
  const chatClient = await createClientWithUserCredentials(USER_AUTH_OAUTH_SCOPES);

  // Initialize request argument(s)
  const request = {
    // Replace SPACE_NAME and MESSAGE_NAME here.
    parent: 'spaces/SPACE_NAME/messages/MESSAGE_NAME'
  };

  // Make the request
  const pageResult = chatClient.listReactionsAsync(request);

  // Handle the response. Iterating over pageResult will yield results and
  // resolve additional pages automatically.
  for await (const response of pageResult) {
    console.log(response);
  }
}

main().catch(console.error);

To run this sample, replace the following:

• SPACE_NAME: the ID from the space's name. You can obtain the ID by calling the ListSpaces() method or from the space's URL.
• MESSAGE_NAME: the ID from the message's name. You can obtain the ID from the response body returned after creating a message asynchronously with the Chat API, or with the custom name assigned to the message at creation.

The Chat API returns a paginated list of reactions.

Related topics

• Add a reaction to a message.
• Delete a reaction from a message.