Create userAssignment

Namespace: microsoft.graph

Important

APIs under the /beta version in Microsoft Graph are subject to change. Use of these APIs in production applications is not supported. To determine whether an API is available in v1.0, use the Version selector.

Create a new userAssignment object.

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.

Permission type	Least privileged permission	Higher privileged permissions
Delegated (work or school account)	Not supported.	Not supported.
Delegated (personal Microsoft account)	Not supported.	Not supported.
Application	Not supported.	Not supported.

HTTP request

POST /users/{usersId}/planner/plans_v2/{planId}/tasks/{taskId}/userAssignments

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 userAssignment object.

You can specify the following properties when creating a userAssignment.

Property	Type	Description
user	identity	Identity of the user assigned to the task. Required.
assignedBy	identitySet	Identity of the user (or application) that made the assignment. Optional.
assignedDateTime	DateTimeOffset	Date and time the assignment was made. Optional.

Response

If successful, this method returns a 201 Created response code and a userAssignment object in the response body.

Examples

Request

The following example shows a request.

POST https://graph.microsoft.com/beta/users/{usersId}/planner/plans_v2/{planId}/tasks/{taskId}/userAssignments
Content-Type: application/json

{
  "@odata.type": "#microsoft.graph.userAssignment",
  "user": {
    "@odata.type": "microsoft.graph.identity"
  },
  "assignedBy": {
    "@odata.type": "microsoft.graph.identitySet"
  },
  "assignedDateTime": "2026-06-10T08:00:00Z"
}

Response

The following example shows the response.

Note: The response object shown here might be shortened for readability.

HTTP/1.1 201 Created
Content-Type: application/json

{
  "@odata.type": "#microsoft.graph.userAssignment",
  "id": "aec6cd49-aa47-7b42-5079-0a5b5197edd1",
  "user": {
    "@odata.type": "microsoft.graph.identity"
  },
  "assignedBy": {
    "@odata.type": "microsoft.graph.identitySet"
  },
  "assignedDateTime": "String (timestamp)",
  "capabilities": {
    "@odata.type": "microsoft.graph.userAssignmentCapability"
  }
}