Section: 14.2.2 Nudm_UEAuthentication_Get service operation
Content: Service operation name: Nudm_UEAuthentication_Get Description: Requester NF gets the authentication data from UDM. For AKA based authentication, this operation can be also used to recover from synchronization failure situations. If SUCI is included, this service operation returns the SUPI. Inputs, Required: SUPI or SUCI, serving network name. Inputs, Optional: Synchronization Failure indication and related information (i.e. RAND/AUTS) , Disaster Roaming service indication, NSWO indicator. NOTE: If NSWO indicator is present then the serving network name contains "5G:NSWO". Outputs, Required: Authentication method Editor's note: How the UDM indicates to the AUSF to run primary authentication with an external Credentials holder is FFS. Outputs, Optional: SUPI if SUCI was used as input. Depending on the authentication method, authentication data (e.g. AKA authentication vector) for the SUPI. AKMA Indication and Routing indicator, if the subscriber has an AKMA subscription (see TS 33.535[ Authentication and Key Management for Applications (AKMA) based on 3GPP credentials in the 5G System (5GS) ]  [91]). MSK indicator.