title	plannerTaskChatMessage: setReaction
description	Set a reaction to a plannerTaskChatMessage for the current user.
author	pavlodatsiuk
ms.localizationpriority	medium
ms.subservice	planner
doc_type	apiPageType
ms.date	01/23/2026

plannerTaskChatMessage: setReaction

Namespace: microsoft.graph

[!INCLUDE beta-disclaimer]

Set a reaction to a plannerTaskChatMessage for the current user.

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Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

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HTTP request

POST /planner/tasks/{task-id}/messages/{message-id}/setReaction

Request headers

Name	Description
Authorization	Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type	application/json. Required.

Request body

In the request body, supply a JSON representation of the reaction to set.

The following table lists the properties that are required when you set a reaction.

Property	Type	Description
reactionType	String	The type of reaction. For example, `like`. Required.

Response

If successful, this method returns a 200 OK response code.

This method can return any of the HTTP status codes. The most common errors that apps should handle for this method are the 400, 403, and 404 responses. For more information about these errors, see Common Planner error conditions.

Example

Request

The following example shows a request.

HTTP

POST https://graph.microsoft.com/beta/planner/tasks/01gzSlKkIUSUl6DF_EilrmQAKDhh/messages/5bde7bc8-d998-4e8a-8159-93d4d7ccc3b5/setReaction
Content-type: application/json

{
  "reactionType": "like"
}