Sets or updates entity property values on issues. Up to 10 entity properties can be specified for each issue and up to 100 issues included in the request. The value of the request body must be a valid, non-empty JSON. This operation is: * asynchronous. Follow the `location` link in the response to determine the status of the task and use Get task to obtain subsequent updates. * non-transactional. Updating some entities may fail. Such information will available in the task result. **Permissions required:** * *Browse projects* and *Edit issues* project permissions for the project containing the issue. * If issue-level security is configured, issue-level security permission to view the issue.

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}

Sets or updates entity property values on issues. Up to 10 entity properties can be specified for each issue and up to 100 issues included in the request. The value of the request body must be a valid, non-empty JSON. This operation is: * asynchronous. Follow the `location` link in the response to determine the status of the task and use Get task to obtain subsequent updates. * non-transactional. Updating some entities may fail. Such information will available in the task result. **Permissions required:** * *Browse projects* and *Edit issues* project permissions for the project containing the issue. * If issue-level security is configured, issue-level security permission to view the issue.

{
  "success": true,
  "data": {
    "id": "abc123",
    "created_at": "2025-01-01T00:00:00Z"
  }
}

{
  "success": false,
  "error": {
    "code": "VALIDATION_ERROR",
    "message": "Invalid request parameters"
  }
}