You can override this function to add you own listener callbacks.
- initialize: Called at the same time as CrudComponent::initialize()
- startup: Called at the same time as CrudComponent::startup()
- beforeHandle : Called before CrudAction is executed
- recordNotFound : Called if a find() did not return any records
- beforePaginate : Called right before any paginate() method
- afterPaginate : Called right after any paginate() method
- invalidId : Called if the ID format validation failed
- setFlash : Called before any FlashComponent::set()