public SendNotificationActivity(SendNotificationPlace place, ClientFactory clientFactory) {
   super(place, clientFactory);
   this.applicationId = place.getApplicationId();
   this.topicId = place.getTopicId();
 }
 private void sendNotification(String topicId) {
   SendNotificationPlace sendNotificationPlace = new SendNotificationPlace(applicationId, topicId);
   sendNotificationPlace.setPreviousPlace(place);
   goTo(sendNotificationPlace);
 }