Changes the assignee of a task to a specific user.
Note: The difference with the Claim Task method is that this method does not check if the task already has a user assigned to it.
|The id of the task to set the assignee for.
A JSON object with the following properties:
|The id of the user that will be the assignee of the task. If userId is empty the task is unassigned.
This method returns no content.
|Task with given id does not exist or setting the assignee was not successful. See the Introduction for the error response format.
Status 204. No content.