Adds the tasks to the task list with the specified id. To add a new task to a project task list, the user needs manage permissions on the project-planning-data feature. For a private task list no permissions are required.
The id of the project.
The id of the task list.
The task id added to the list.
The order of the task in the list.
Success
The id of the list to move the task to or to change the order for.
The order of the task in the list. If null, the task is moved to the end of the list.