An enum that holds the actions available in scheduler.
Add - Denotes the current action of the scheduler is appointment creation.Save - Denotes the current action of the scheduler is editing the appointment.Delete - Denotes the current action is deleting the appointment.DeleteOccurrence - Denotes the current action is deleting single occurrence of a recurrence.DeleteSeries - Denotes the current action is deleting the entire series of recurrence appointment.EditOccurrence - Denotes the current action is editing single occurrence of a recurrence.EditSeries - Denotes the current action is editing the entire series of recurrence appointment.EditFollowingEvents - Denotes the current action is editing the following appointments in a recurrence.DeleteFollowingEvents - Denotes the current action is deleting the following appointments in a recurrence.