Triggered when an event
is added to, removed from, or updated within the current event view. This includes cases when:
- A new event is created within the view.
- An existing event within the view is updated, including when it's rescheduled to start outside the view.
- An event within the view is deleted.
- An event previously outside the view is rescheduled to fall within it.
- The view is extended, bringing an existing event into scope.