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Content for TS 29.508 Word version: 18.4.0

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5.1 Introduction 5.2 Usage of HTTP 5.3 Resources 5.4 Custom Operations without associated resources 5.5 Notifications 5.6 Data Model 5.7 Error handling 5.8 Feature negotiation 5.9 Security

5 Nsmf_EventExposure API p. 23

5.1 Introduction p. 23

5.2 Usage of HTTP p. 24

5.2.1 General p. 24

5.2.2 HTTP standard headers p. 24

5.2.2.1 General p. 24

5.2.2.2 Content type p. 24

5.2.3 HTTP custom headers p. 24

5.3 Resources p. 24

5.3.1 Resource Structure p. 24

5.3.2 Resource: SMF Notification Subscriptions p. 25

5.3.2.1 Description p. 25

5.3.2.2 Resource definition p. 25

5.3.2.3 Resource Standard Methods p. 25

5.3.2.3.1 POST p. 25

5.3.2.4 Resource Custom Operations p. 26

5.3.3 Resource: Individual SMF Notification Subscription p. 26

5.3.3.1 Description p. 26

5.3.3.2 Resource definition p. 26

5.3.3.3 Resource Standard Methods p. 27

5.3.3.3.1 GET p. 27

5.3.3.3.2 PUT p. 28

5.3.3.3.3 DELETE p. 29

5.3.3.4 Resource Custom Operations p. 30

5.4 Custom Operations without associated resources p. 30

5.5 Notifications p. 31

5.5.1 General p. 31

5.5.2 Event Notification p. 31

5.5.2.1 Description p. 31

5.5.2.2 Target URI p. 31

5.5.2.3 Standard Methods p. 31

5.5.2.3.1 POST p. 31

5.5.3 Acknowledgement of event notification |R16| p. 32

5.5.3.1 Description p. 32

5.5.3.2 Target URI p. 33

5.5.3.3 Standard Methods p. 33

5.5.3.3.1 POST p. 33

5.6 Data Model p. 34

5.6.1 General p. 34

5.6.2 Structured data types p. 37

5.6.2.1 Introduction p. 37

5.6.2.2 Type NsmfEventExposure p. 38

5.6.2.3 Type NsmfEventExposureNotification p. 41

5.6.2.4 Type EventSubscription p. 42

5.6.2.5 Type EventNotification p. 43

5.6.2.6 Void

5.6.2.7 Type AckOfNotify |R16| p. 48

5.6.2.8 Type SmNasFromUe |R17| p. 48

5.6.2.9 Type SmNasFromSmf |R17| p. 48

5.6.2.10 Type TransactionInfo |R17| p. 49

5.6.2.11 Type PduSessionInformation |R17| p. 49

5.6.2.12 Type PduSessionInfo |R17| p. 49

5.6.2.13 Type UpfInformation |R17| p. 49

5.6.2.14 Type: TrafficCorrelationNotification |R18| p. 50

5.6.3 Simple data types and enumerations p. 50

5.6.3.1 Introduction p. 50

5.6.3.2 Simple data types p. 50

5.6.3.3 Enumeration: SmfEvent p. 51

5.6.3.4 Enumeration: NotificationMethod p. 51

5.6.3.5 Void

5.6.3.6 Enumeration: AppliedSmccType |R17| p. 52

5.6.3.7 Enumeration: TransactionMetric |R17| p. 52

5.6.3.8 Enumeration: PduSessionStatus |R17| p. 52

5.7 Error handling p. 52

5.7.1 General p. 52

5.7.2 Protocol Errors p. 52

5.7.3 Application Errors p. 52

5.8 Feature negotiation p. 53

5.9 Security p. 55