Section: 5.2.2.2.16 Namf_Communication_AMFStatusChangeNotify service operation
Content: Service operation name: Namf_Communication_AMFStatusChangeNotify Description: Report AMF Status change (e.g. AMF unavailable) notification to subscribed NFs. Input, Required: GUAMI(s). Input, Optional: Target AMF(s) Name associated with the indicated GUAMI. Output, Required: None. Output, Optional: None. See clause 5.21.2.2 of TS 23.501[ System architecture for the 5G System (5GS) ]  [2] for the example usage of this service operation. The GUAMI(s) is used to identify the AMF. For network deployment without UDSF case, the target AMF Name which is to serve the user of the indicated GUAMI is also included.