Cancels a specified message movement task. A message movement can only be cancelled when the current status is RUNNING. Cancelling a message movement task does not revert the messages that have already been moved. It can only stop the messages that have not been moved yet.
See https://www.paws-r-sdk.com/docs/sqs_cancel_message_move_task/ for full documentation.
sqs_cancel_message_move_task(TaskHandle)
[required] An identifier associated with a message movement task.