Section: 5.2.19.2.2 Naf_EventExposure_Subscribe service operation
Content: Service operation name: Naf_EventExposure_Subscribe Description: The consumer NF subscribes the event to collect AF data for UE(s), group of UEs, or any UE, or updates the subscription which is already defined in AF. Input, Required: Target of Event Reporting (either UE ID(s), or UE IPv4 address(es), or UE IPv6 prefix(es), or Internal/External Group Identifier, or indication that any UE is targeted), (set of) Event ID(s), Notification Target Address (+ Notification Correlation ID) and Event Reporting Information as defined in Table 4.15.1-1. NOTE 1: UE ID includes GPSI or SUPI. Input, Optional: NF ID, Event Filter(s) associated with each Event ID, (set of) External Application Identifier(s), Subscription Correlation ID (in the case of modification of the existing subscription), Expiry time. NOTE 2: In the case of untrusted AF, NEF ID is used as NF ID. Output, Required: Operation execution result indication. When the subscription is accepted: Subscription Correlation ID, Expiry time (required if the subscription can be expired based on the local policy). Output, Optional: First corresponding event report is included, if corresponding information is available (see clause 4.15.1).