public function onUpdate(SubscriberEvent $event)
    {
        $this->listRepository->update(
            $event->getListId(),
            $event->getSubscriber()
        );
    }
public function onUpdate(SubscriberEvent $event)
    {
        $this->listRepository->update(
            $event->getListId(),
            $event->getSubscriber()
        );
    }
public function onUpdate ( SubscriberEvent $ event ) { $ this -> listRepository -> update ( $ event -> getListId ( ) , $ event -> getSubscriber ( ) ) ; }
Action when a User update its info
@param  SubscriberEvent $event
@return void
Action when a User update its info