Section: 5.2.6.27.2 Nnef_UEId_Get operation
Content: Service operation name: Nnef_UEId_Get Description: Get the UE identifier. Inputs, Required: GPSI or UE address (i.e. IPv4/IPv6 address or MAC address) or External Group Identifier(s). Inputs, Optional: DNN, S-NSSAI, Port number (e.g. TCP or UDP port), IP domain, Application port ID, MTC Provider Information, AF Identifier. Outputs, Required: Result, AF specific UE Identifier represented as an External Identifier or SUPI or Internal Group Identifier(s). NOTE: SUPI and Internal Group Identifier can only be exposed to roaming partners. Outputs, Optional: None.