Request that a task be cancelled. Note that a task may fail to be cancelled and may complete or fail normally and note that, even when a task does cancel, it might take an arbitrary amount of time.
| Parameters | ||
| name | type | description |
| session_id | session | valid session reference |
| task | task | The task |
| Errors | ||
| name | arguments | description |
| OPERATION_NOT_ALLOWED | reason | You attempted an operation that was not allowed. |
- Message has both a synchronous and asynchronous version
- This is a custom message