Section: 5.2.6.2.4 Nnef_EventExposure_Notify service operation
Content: Service operation name: Nnef_EventExposure_Notify Description: NEF reports the event to the consumer that has previously subscribed. Inputs, Required: Event ID, Notification Correlation Information, time stamp. Inputs, Optional: Event information (defined on a per Event ID basis), Event Removal Indication, list of group member UE(s) whose subscription to event notification(s) are removed from a group-based event notification subscription, UE(s) added/removed to/from the group. Outputs, Required: Operation execution result indication.