1 Scope

29.5223GPP5G SystemNetwork Exposure Function Northbound APIsRelease 18Stage 3TS

The present specification describes the protocol for the NEF Northbound interface between the NEF and the AF. The NEF Northbound interface and the related stage 2 functional requirements are defined in 3GPP TS 23.502 [2], 3GPP TS 23.316 [28], 3GPP TS 23.288 [29] and 3GPP TS 23.548 [42].