 Request/Response Notify AF. NWDAF Update Request/Response Nnef_PFDManagement Fetch Request/Response Revoke Request/Response Subscribe Subscribe/Notify Nnef_MSISDN-less_MO_ Notify Notify Notify Nnef_ServiceParameter Create Request/Response unsubscribe Update Request/Response Create Request/Response Delete Request/Response Update Request/Response Request/Response Delete Request/Response Nnef_APISupportCapability Subscribe Subscribe/Notify Nnef_ParameterProvision Update Request/Response Unsubscribe Subscribe/Notify Create Request/Response Notify Subscribe/Notify Delete Request/Response Nnef_NIDDConfiguration Create Request/Response Request/Response TriggerNotify Subscribe/Notify Nnef_Trigger Delivery Request/Response UpdateNotify Subscribe/Notify DeliveryNotify Subscribe/Notify Delete Request/Response Nnef_BDTPNegotiation Create Request/Response Nnef_NIDD Delivery Request/Response Update Request/Response DeliveryNotify Subscribe/Notify Notify GroupDeliveryNotify Notify Nnef_TrafficInfluence Create Request/Response Nnef_SMContext Create Request/Response Update Request/Response Delete Request/Response Delete Request/Response DeleteNotify Subscribe/Notify Request/Response Delivery Request/Response Notify Subscribe/Notify Nnef_AnalyticsExposure Subscribe Subscribe/Notify AppRelocationInfo Subscribe/Notify Unsubscribe Nnef_ChargeableParty Create Request/Response Notify Update Request/Response Fetch Request/Response Notify Request/Response Nnef_UCMFProvisioning Create Request/Response Nnef_ApplyPolicy Create Request/Response Delete Request/Response Update Request/Response Update Request/Response Delete Request/Response Nnef_ECRestriction Request/Response Nnef_Location LocationUpdateNotify Notify Update Request/Response Figure 3.19- Services offered by the NEF The NnefParameterProvision service is used by the consumer to update UE information. The Nnef_Trigger service is used by the NF consumer to request a trigger to be sent to an application on UE, along with a notification about the result of that trigger delivery. Bui