Update Event summary when an appointment is updatedRaw
<?php
add_filter( 'appointments_gcal_update_event', 'app_gcal_update_event_summary', 10, 2 );
function app_gcal_update_event_summary ( $event, $app ) {
if ( $event ) {
$appointments = appointments();
$event->setSummary( $appointments->get_service_name( $app->service ) . ' Appointment' );
}
return $event;
}