there is a case when a notification could not be sent automatically(some error), and user notify it manually, the system will be in an inconsistency state and duplicate notifications could be appear. User should be able to modify the state of the appointment via wsp
there is a case when a notification could not be sent automatically(some error), and user notify it manually, the system will be in an inconsistency state and duplicate notifications could be appear. User should be able to modify the state of the appointment via wsp