# Tracing of Code for W-AGF Note ###### tags: `free5gc` `oai` `magma` > Find which part handle the function ## :memo: Where do I start? ### Step 1: Tracing code (5G-RG) list: ![image](https://hackmd.io/_uploads/S1L9f7nNR.png) - [ ] Nas Registration (AMF) - [ ] Identity Req./Res (AMF) - [ ] Authentication and Security (AUSF) - [ ] SMC Req (EAP Success) (AMF) - [ ] SMC Complete (AMF) - [ ] Identity Req./Res (AMF) :rocket: ### Step 2: Tracing code (FN-RG) list: ![image](https://hackmd.io/_uploads/HkXIFNhNR.png) - [ ] N2 initial UE message (NAS Registration Request, ULI, Establishment cause, UE context request, Allowed NSSAI, Authenticated Indication)(AMF) - [ ] Authentication and Security (AUSF) - [ ] SUCI deconcealment. SUCI Mapped to SUPI >adding W-AGF ID in AMF to identify W-AGF as new AN for 5G-RG and FN-RG, we can add the W-AGF id in this code, https://github.com/free5gc/amf/blob/1b5c19b34ba4134b84412cdbf3f299165dca3b9e/internal/context/amf_ran.go