For receiving events you need to register your class on the EventBus.
@Override
public void onStart() {
    super.onStart();
    EventBus.getDefault().register(this);
}
@Override
public void onStop() {
   EventBus.getDefault().unregister(this);
   super.onStop();
}
And then subscribe to the events.
@Subscribe(threadMode = ThreadMode.MAIN)
public void handleEvent(ArbitaryEvent event) {
    Toast.makeText(getActivity(), "Event type: "+event.getEventType(), Toast.LENGTH_SHORT).show();
}