/**
  * {@inheritdoc}
  */
 public function onBootstrap(EventInterface $event)
 {
     $application = $event->getApplication();
     $serviceManager = $application->getServiceManager();
     $application->getEventManager()->getSharedManager()->attach('Zend\\View\\View', ViewEvent::EVENT_RENDERER_POST, function (ViewEvent $event) use($serviceManager) {
         $config = $serviceManager->get('Config');
         $event->getModel()->setVariables($config['view_variables'], false);
     });
 }