code: private void fireTangoAttConfigEvent(TangoAttConfig tangoAttConfig, EventData eventData) {
          TangoAttConfigEvent tangoAttConfigEvent = new TangoAttConfigEvent(tangoAttConfig, eventData);
          // Notifying those that are interested in this event
          ArrayList<EventListener> listeners = event_listeners.getListeners(ITangoAttConfigListener.class);
          for (EventListener eventListener : listeners) {
              ((ITangoAttConfigListener) eventListener).attConfig(tangoAttConfigEvent);
          }
      }
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