Updates the order of the task of a specific task status for project tasks. If it is a private task it updates the order of the private tasks of the user. This can have an impact of other tasks as well. If the task is not appended to the end, the other tasks of the project within the same task status will get a new order.
The id of the task.
The order of the list.
OK
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.