Discards alarm auid from a given component identified by uid and rid.
The call is finished by discard_alarm.end from the callback.
| this |
an Client |
| uid |
Unique identifier for a calendar component |
| rid |
Recurrence identifier |
| auid |
Alarm identifier to discard |
| opflags |
bit-or of OperationFlags |
| cancellable |
a Cancellable; can be null |
| callback |
callback to call when a result is ready |
| user_data |
user data for the |