Section: 5.2.5.7 Npcf_EventExposure service 5.2.5.7.1 General
Content: Service description: This service enables an NF to subscribe and get notified about PCF events for a group of UE(s) or any UE accessing a combination of (DNN, S-NSSAI). The events can be subscribed by a NF consumer are described in clause 6.1.3.18 of TS 23.503[ Policy and charging control framework for the 5G System (5GS); Stage 2 ]  [20]. The following service operations are defined for the Npcf_EventExposure service: - Npcf_EventExposure_Subscribe. - Npcf_EventExposure_UnSubscribe. - Npcf_EventExposure_Notify.