Nudr_DataRepository
The UDR is acting as NF Service Producer. It provides Unified Data Repository service to the NF service consumer. The NF Service Consumers are the UDM, PCF and NEF.
For the Nudr_DataRepository service, the following service operations are defined:
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Query
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Create
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Delete
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Update
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Subscribe
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Unsubscribe
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Notify
This service allows NF service consumers to retrieve, create, update, modify and delete data stored in the UDR.
This service allows the NF service consumers to subscribe/unsubscribe the data change notification and to be notified of the data change
Reference: 3GPP TS 29.504 version 15.3.0 Release 15