29.5183GPP5G SystemAccess and Mobility Management ServicesRelease 16Stage 3TS
Within the 5GC, the AMF offers services to the SMF, other AMF, PCF, SMSF, LMF, GMLC, CBCF, PWS-IWF , NWDAF and NEF via the Namf service based interface (see 3GPP TS 23.501 , 3GPP TS 23.502  and 3GPP TS 23.288 ).
Figure 4.1-1 provides the reference model (in service based interface representation and in reference point representation), with focus on the AMF and the scope of the present specification.
Figure 4.1-1: Reference model – AMF
The functionalities supported by the AMF are listed in clause 6.2.1 of 3GPP TS 23.501 .