code: func RecordNodeEvent(recorder record.EventRecorder, nodeName, nodeUID, eventtype, reason, event string) {
  	ref := &v1.ObjectReference{
  		Kind:      "Node",
  		Name:      nodeName,
  		UID:       types.UID(nodeUID),
  		Namespace: "",
  	}
  	klog.V(2).Infof("Recording %s event message for node %s", event, nodeName)
  	recorder.Eventf(ref, eventtype, reason, "Node %s event: %s", nodeName, event)
  }
docs: // RecordNodeEvent records a event related to a node.