/** * _associate_attendee_with_registration * * @param EE_Registration $registration * @param EE_Attendee $attendee * @return void */ private function _associate_attendee_with_registration(EE_Registration $registration, EE_Attendee $attendee) { // add relation to attendee $registration->_add_relation_to($attendee, 'Attendee'); $registration->set_attendee_id($attendee->ID()); $registration->update_cache_after_object_save('Attendee', $attendee); }