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Content for TS 29.594 Word version: 18.3.0

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4 Nchf_SpendingLimitControl Service p. 9

4.1 Service Description p. 9

4.1.1 Overview |R17| p. 9

4.1.2 Service Architecture |R17| p. 9

4.1.3 Network Functions |R17| p. 10

4.1.3.1 Charging Function (CHF) p. 10

4.1.3.2 NF Service Consumers p. 10

4.2 Service Operations p. 10

4.2.1 Introduction p. 10

4.2.2 Nchf_SpendingLimitControl_Subscribe service operation p. 10

4.2.2.1 General p. 10

4.2.2.2 Initial spending limit retrieval p. 11

4.2.2.3 Intermediate spending limit report retrieval p. 12

4.2.3 Nchf_SpendingLimitControl_Unsubscribe service operation |R17| p. 14

4.2.3.1 General p. 14

4.2.3.2 Unsubscribe from spending limit reporting p. 14

4.2.4 Nchf_SpendingLimitControl_Notify service operation |R17| p. 15

4.2.4.1 General p. 15

4.2.4.2 Spending limit report p. 15

4.2.4.3 Subscription termination request by CHF p. 17

5 Nchf_SpendingLimitControl Service API p. 18

5.1 Introduction p. 18

5.2 Usage of HTTP |R17| p. 18

5.2.1 General p. 18

5.2.2 HTTP standard headers p. 18

5.2.2.1 General p. 18

5.2.2.2 Content type p. 18

5.2.3 HTTP custom headers p. 19

5.2.3.1 General p. 19

5.3 Resources |R17| p. 19

5.3.1 Resource Structure p. 19

5.3.2 Resource: Spending Limit Retrieval Subscriptions (Collection) p. 19

5.3.2.1 Description p. 19

5.3.2.2 Resource definition p. 19

5.3.2.3 Resource Standard Methods p. 20

5.3.2.3.1 POST p. 20

5.3.2.4 Resource Custom Operations p. 20

5.3.3 Resource: Individual Spending Limit Retrieval Subscription (Document) p. 20

5.3.3.1 Description p. 20

5.3.3.2 Resource definition p. 21

5.3.3.3 Resource Standard Methods p. 21

5.3.3.3.1 PUT p. 21

5.3.3.3.2 DELETE p. 22

5.4 Custom Operations without associated resources |R17| p. 23

5.5 Notifications |R17| p. 23

5.5.1 General p. 23

5.5.2 Spending limit notification p. 24

5.5.2.1 Description p. 24

5.5.2.2 Target URI p. 24

5.5.2.3 Standard Methods p. 24

5.5.2.3.1 POST p. 24

5.5.3 Subscription Termination p. 25

5.5.3.1 Description p. 25

5.5.3.2 Target URI p. 25

5.5.3.3 Standard Methods p. 26

5.5.3.3.1 POST p. 26

5.6 Data Model |R17| p. 27

5.6.1 General p. 27

5.6.2 Structured data types p. 27

5.6.2.1 Introduction p. 27

5.6.2.2 Type SpendingLimitContext p. 28

5.6.2.3 Type SpendingLimitStatus p. 29

5.6.2.4 Type PolicyCounterInfo p. 30

5.6.2.5 Type PendingPolicyCounterStatus p. 30

5.6.2.6 Type SubscriptionTerminationInfo p. 30

5.6.3 Simple data types and enumerations p. 31

5.6.3.1 Introduction p. 31

5.6.3.2 Simple data types p. 31

5.6.3.3 Enumeration: TerminationCause p. 31

5.7 Error handling |R17| p. 31

5.7.1 General p. 31

5.7.2 Protocol Errors p. 31

5.7.3 Application Errors p. 31

5.8 Feature negotiation |R17| p. 32

5.9 Security |R17| p. 32

A (Normative) OpenAPI specification p. 33

A.1 General p. 33

A.2 Nchf_SpendingLimitControl Service API p. 33

B (Normative) 5GC and EPC interworking scenario support |R17| p. 38

B.1 Scope p. 38

B.2 Nchf_SpendingLimitControl Service p. 38

B.2.1 Service Description p. 38

B.2.1.1 Overview p. 38

B.2.1.2 Service Architecture p. 38

B.3 Service Operation p. 38

B.3.1 Introduction p. 38

B.3.2 Nchf_SpendingLimitControl_Subscribe Service Operation p. 38

B.3.3 Nchf_SpendingLimitControl_Unsubscribe Service Operation p. 39

B.3.4 Nchf_SpendingLimitControl_Notify Service Operation p. 39

C (Normative) Wireless and wireline convergence access support |R17| p. 39

C.1 Scope p. 39

C.2 Nchf_SpendingLimitControl Service p. 39

C.2.1 Service Description p. 39

C.2.1.1 Overview p. 39

C.2.1.2 Service Architecture p. 39

C.3 Service Operation p. 39

C.3.1 Introduction p. 39

C.3.2 Nchf_SpendingLimitControl_Subscribe Service Operation p. 39

C.3.2.1 General p. 39

C.3.3 Nchf_SpendingLimitControl_Unsubscribe Service Operation p. 40

C.3.4 Nchf_SpendingLimitControl_Notify Service Operation p. 40

$ Change history p. 41