private void sendEvent(EventType eventType, String description) {
        if (eventSink != null) {
            Map<String, String> event = new HashMap<>();
            event.put("eventType", eventType.toString().toLowerCase());
            // Only errors have description
            if (eventType != EventType.ERROR) {
                event.put("errorDescription", description);
            }
            eventSink.success(event);
        }
    }

  if (eventType == EventType.ERROR) {
    event.put("errorDescription", description);
  }