TS29525_Npcf_UEPolicyControl.yaml

openapi: 3.0.0
info:
  version: 1.2.0-alpha.3
  title: Npcf_UEPolicyControl
  description: |
    UE Policy Control Service.
    © 2021, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
    All rights reserved.
externalDocs:
  description: 3GPP TS 29.525 V17.2.0; 5G System; UE Policy Control Service.
  url: 'http://www.3gpp.org/ftp/Specs/archive/29_series/29.525/'
servers:
  - url: '{apiRoot}/npcf-ue-policy-control/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in subclause 4.4 of 3GPP TS 29.501
security:
  - {}
  - oAuth2ClientCredentials:
    - npcf-ue-policy-control
paths:
  /policies:
    post:
      operationId: CreateIndividualUEPolicyAssociation
      summary: Create individual UE policy association.
      tags:
        - UE Policy Associations (Collection)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PolicyAssociationRequest'
      responses:
        '201':
          description: Created
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PolicyAssociation'
          headers:
            Location:
              description: 'Contains the URI of the newly created resource, according to the structure: {apiRoot}/npcf-ue-policy-control/v1/policies/{polAssoId}'
              required: true
              schema:
                type: string
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29571_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29571_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29571_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
      callbacks:
        policyUpdateNotification:
          '{$request.body#/notificationUri}/update': 
            post:
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/PolicyUpdate'
              responses: 
                '200':
                  description: OK. The current applicable values corresponding to the policy control request trigger is reported
                  content:
                    application/json:
                      schema:
                        $ref: '#/components/schemas/UeRequestedValueRep'
                '204':
                  description: No Content, Notification was successful
                '307':
                  description: temporary redirect
                  content:
                    application/problem+json:
                      schema:
                        $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
                  headers:
                    Location:
                      description: 'A URI pointing to the endpoint of another NF service consumer to which the notification should be sent.'
                      required: true
                      schema:
                        type: string
                    3gpp-Sbi-Target-Nf-Id:
                      description: 'Identifier of the target NF (service) instance towards which the notification request is redirected'
                      schema:
                        type: string
                '308':
                  description: Permanent Redirect
                  content:
                    application/problem+json:
                      schema:
                        $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
                  headers:
                    Location:
                      required: true
                      description: 'A URI pointing to the endpoint of an alternative AMF (service) instance towards which the notification should be redirected.'
                      schema:
                        type: string
                    3gpp-Sbi-Target-Nf-Id:
                      description: 'Identifier of the target NF (service) instance towards which the notification request is redirected'
                      schema:
                        type: string
                '400':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/400'
                '401':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/401'
                '403':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/403'
                '404':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/404'
                '411':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/411'
                '413':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/413'
                '415':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/415'
                '429':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/429'
                '500':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/500'
                '503':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/503'
                default:
                  $ref: 'TS29571_CommonData.yaml#/components/responses/default'
        policyAssocitionTerminationRequestNotification:
          '{$request.body#/notificationUri}/terminate': 
            post:
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/TerminationNotification'
              responses:
                '204':
                  description: No Content, Notification was successful
                '307':
                  description: temporary redirect
                  content:
                    application/problem+json:
                      schema:
                        $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
                  headers:
                    Location:
                      description: 'A URI pointing to the endpoint of another NF service consumer to which the notification should be sent.'
                      required: true
                      schema:
                        type: string
                    3gpp-Sbi-Target-Nf-Id:
                      description: 'Identifier of the target NF (service) instance towards which the notification request is redirected'
                      schema:
                        type: string
                '308':
                  description: Permanent Redirect
                  content:
                    application/problem+json:
                      schema:
                        $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
                  headers:
                    Location:
                      required: true
                      description: 'A URI pointing to the endpoint of an alternative AMF (service) instance towards which the notification should be redirected.'
                      schema:
                        type: string
                    3gpp-Sbi-Target-Nf-Id:
                      description: 'Identifier of the target NF (service) instance towards which the notification request is redirected'
                      schema:
                        type: string
                '400':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/400'
                '401':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/401'
                '403':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/403'
                '404':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/404'
                '411':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/411'
                '413':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/413'
                '415':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/415'
                '429':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/429'
                '500':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/500'
                '503':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/503'
                default:
                  $ref: 'TS29571_CommonData.yaml#/components/responses/default'
  /policies/{polAssoId}:
    get:
      operationId: ReadIndividualUEPolicyAssociation
      summary: Read individual UE policy association.
      tags:
        - Individual UE Policy Association (Document)
      parameters:
        - name: polAssoId
          in: path
          description: Identifier of a policy association
          required: true
          schema:
            type: string
      responses:
        '200':
          description: OK. Resource representation is returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PolicyAssociation'
        '307':
          description: Temporary Redirect
          content:
            application/problem+json:
              schema:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
          headers:
            Location:
              description: 'An alternative URI of the resource located on an alternative PCF (service) instance.'
              required: true
              schema:
                type: string
            3gpp-Sbi-Target-Nf-Id:
              description: 'Identifier of the target NF (service) instance towards which the request is redirected'
              schema:
                type: string
        '308':
          description: Permanent Redirect
          content:
            application/problem+json:
              schema:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
          headers:
            Location:
              description: 'An alternative URI of the resource located on an alternative PCF (service) instance.'
              required: true
              schema:
                type: string
            3gpp-Sbi-Target-Nf-Id:
              description: 'Identifier of the target NF (service) instance towards which the request is redirected'
              schema:
                type: string
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '406':
          $ref: 'TS29571_CommonData.yaml#/components/responses/406'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
    delete:
      operationId: DeleteIndividualUEPolicyAssociation
      summary: Delete individual UE policy association.
      tags:
        - Individual UE Policy Association (Document)
      parameters:
        - name: polAssoId
          in: path
          description: Identifier of a policy association
          required: true
          schema:
            type: string
      responses:
        '204':
          description: No Content. Resource was successfully deleted
        '307':
          description: Temporary Redirect
          content:
            application/problem+json:
              schema:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
          headers:
            Location:
              description: 'An alternative URI of the resource located on an alternative PCF (service) instance.'
              required: true
              schema:
                type: string
            3gpp-Sbi-Target-Nf-Id:
              description: 'Identifier of the target NF (service) instance towards which the request is redirected'
              schema:
                type: string
        '308':
          description: Permanent Redirect
          content:
            application/problem+json:
              schema:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
          headers:
            Location:
              description: 'An alternative URI of the resource located on an alternative PCF (service) instance.'
              required: true
              schema:
                type: string
            3gpp-Sbi-Target-Nf-Id:
              description: 'Identifier of the target NF (service) instance towards which the request is redirected'
              schema:
                type: string
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
  /policies/{polAssoId}/update:
    post:
      operationId: ReportObservedEventTriggersForIndividualUEPolicyAssociation
      summary: Report observed event triggers and possibly obtain updated policies for an individual UE policy association.
      tags:
        - Individual UE Policy Association (Document)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/PolicyAssociationUpdateRequest'
      parameters:
        - name: polAssoId
          in: path
          description: Identifier of a policy association
          required: true
          schema:
            type: string
      responses:
        '200':
          description: OK. Updated policies are returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/PolicyUpdate'
        '307':
          description: Temporary Redirect
          content:
            application/problem+json:
              schema:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
          headers:
            Location:
              description: 'An alternative URI of the resource located on an alternative PCF (service) instance.'
              required: true
              schema:
                type: string
            3gpp-Sbi-Target-Nf-Id:
              description: 'Identifier of the target NF (service) instance towards which the request is redirected'
              schema:
                type: string
        '308':
          description: Permanent Redirect
          content:
            application/problem+json:
              schema:
                $ref: 'TS29571_CommonData.yaml#/components/schemas/ProblemDetails'
          headers:
            Location:
              description: 'An alternative URI of the resource located on an alternative PCF (service) instance.'
              required: true
              schema:
                type: string
            3gpp-Sbi-Target-Nf-Id:
              description: 'Identifier of the target NF (service) instance towards which the request is redirected'
              schema:
                type: string
        '400':
          $ref: 'TS29571_CommonData.yaml#/components/responses/400'
        '401':
          $ref: 'TS29571_CommonData.yaml#/components/responses/401'
        '403':
          $ref: 'TS29571_CommonData.yaml#/components/responses/403'
        '404':
          $ref: 'TS29571_CommonData.yaml#/components/responses/404'
        '411':
          $ref: 'TS29571_CommonData.yaml#/components/responses/411'
        '413':
          $ref: 'TS29571_CommonData.yaml#/components/responses/413'
        '415':
          $ref: 'TS29571_CommonData.yaml#/components/responses/415'
        '429':
          $ref: 'TS29571_CommonData.yaml#/components/responses/429'
        '500':
          $ref: 'TS29571_CommonData.yaml#/components/responses/500'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
components:
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{nrfApiRoot}/oauth2/token'
          scopes:
            npcf-ue-policy-control: Access to the Npcf_UEPolicyControl API
  schemas:
    PolicyAssociation:
      description: Contains the description of a policy association that is returned by the PCF when a policy Association is created, updated, or read.
      type: object
      properties:
        request:
          $ref: '#/components/schemas/PolicyAssociationRequest'
        uePolicy:
          $ref: '#/components/schemas/UePolicy'
        n2Pc5Pol:
          $ref: 'TS29518_Namf_Communication.yaml#/components/schemas/N2InfoContent'
        triggers:
          type: array
          items:
            $ref: '#/components/schemas/RequestTrigger'
          minItems: 1
          description: Request Triggers that the PCF subscribes. Only values "LOC_CH" and "PRA_CH" are permitted.
        pras:
          type: object
          additionalProperties:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/PresenceInfo'
          minProperties: 1
          description: Contains the presence reporting area(s) for which reporting was requested. The praId attribute within the PresenceInfo data type is the key of the map.
        suppFeat:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      required:
        - suppFeat
    PolicyAssociationRequest:
      description: Represents information that the NF service consumer provides when requesting the creation of a policy association.
      type: object
      properties:
        notificationUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        altNotifIpv4Addrs:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Ipv4Addr'
          minItems: 1
          description: Alternate or backup IPv4 Address(es) where to send Notifications.
        altNotifIpv6Addrs:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Ipv6Addr'
          minItems: 1
          description: Alternate or backup IPv6 Address(es) where to send Notifications. 
        altNotifFqdns:
          type: array
          items:
            $ref: 'TS29510_Nnrf_NFManagement.yaml#/components/schemas/Fqdn'
          minItems: 1
          description: Alternate or backup FQDN(s) where to send Notifications.
        supi:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Supi'
        gpsi:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Gpsi'
        accessType:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/AccessType'
        pei:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Pei'
        userLoc:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/UserLocation'
        timeZone:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/TimeZone'
        servingPlmn:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/PlmnIdNid'
        ratType:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/RatType'
        groupIds:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/GroupId'
          minItems: 1
        hPcfId: 
          $ref: 'TS29571_CommonData.yaml#/components/schemas/NfInstanceId'
        uePolReq:
          $ref: '#/components/schemas/UePolicyRequest'
        guami:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Guami'
        serviceName:
          $ref: 'TS29510_Nnrf_NFManagement.yaml#/components/schemas/ServiceName'
        servingNfId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/NfInstanceId'
        pc5Capab:
          $ref: '#/components/schemas/Pc5Capability'
        suppFeat:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      required:
        - notificationUri
        - suppFeat
        - supi
    PolicyAssociationUpdateRequest:
      description: Represents Information that the NF service consumer provides when requesting the update of a policy association.
      type: object
      properties:
        notificationUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        altNotifIpv4Addrs:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Ipv4Addr'
          minItems: 1
          description: Alternate or backup IPv4 Address(es) where to send Notifications.
        altNotifIpv6Addrs:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Ipv6Addr'
          minItems: 1
          description: Alternate or backup IPv6 Address(es) where to send Notifications. 
        altNotifFqdns:
          type: array
          items:
            $ref: 'TS29510_Nnrf_NFManagement.yaml#/components/schemas/Fqdn'
          minItems: 1
          description: Alternate or backup FQDN(s) where to send Notifications.
        triggers:
          type: array
          items:
            $ref: '#/components/schemas/RequestTrigger'
          minItems: 1
          description: Request Triggers that the NF service consumer observes.
        praStatuses:
          type: object
          additionalProperties:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/PresenceInfo'
          description: Contains the UE presence status for tracking area for which changes of the UE presence occurred. The praId attribute within the PresenceInfo data type is the key of the map.
          minProperties: 1
        userLoc:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/UserLocation'
        uePolDelResult:
          $ref: '#/components/schemas/UePolicyDeliveryResult'
        uePolTransFailNotif:
          $ref: '#/components/schemas/UePolicyTransferFailureNotification'
        uePolReq:
          $ref: '#/components/schemas/UePolicyRequest'
        guami:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Guami'
        servingNfId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/NfInstanceId'
        plmnId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/PlmnId'
        connectState:
          $ref: 'TS29518_Namf_EventExposure.yaml#/components/schemas/CmState'
        groupIds:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/GroupId'
          minItems: 1
    PolicyUpdate:
      description: Represents updated policies that the PCF provides in a notification or in the reply to an Update Request.
      type: object
      properties:
        resourceUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        uePolicy:
          $ref: '#/components/schemas/UePolicy'
        n2Pc5Pol:
          $ref: 'TS29518_Namf_Communication.yaml#/components/schemas/N2InfoContent'
        triggers:
          type: array
          items:
            $ref: '#/components/schemas/RequestTrigger'
          minItems: 1
          nullable: true
          description: Request Triggers that the PCF subscribes. Only values "LOC_CH" and "PRA_CH" are permitted.
        pras:
          type: object
          additionalProperties:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/PresenceInfo'
          description: Contains the presence reporting area(s) for which reporting was requested. The praId attribute within the PresenceInfo data type is the key of the map.
          minProperties: 1
          nullable: true
      required:
        - resourceUri
    TerminationNotification:
      description: Represents a request to terminate a policy association that the PCF provides in a notification.
      type: object
      properties:
        resourceUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        cause:
          $ref: '#/components/schemas/PolicyAssociationReleaseCause'
      required:
        - resourceUri
        - cause
    UePolicyTransferFailureNotification:
      description: Represents information on the failure of a UE policy transfer to the UE because the UE is not reachable.
      type: object
      properties:
        cause:
          $ref: 'TS29518_Namf_Communication.yaml#/components/schemas/N1N2MessageTransferCause'
        ptis:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Uinteger'
          minItems: 1
      required:
        - cause
        - ptis
    UeRequestedValueRep:
      description: Contains the current applicable values corresponding to the policy control request triggers.
      type: object
      properties:
        userLoc:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/UserLocation'
        praStatuses:
          type: object
          additionalProperties:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/PresenceInfo'
          minProperties: 1
          description: Contains the UE presence statuses for tracking areas. The praId attribute within the PresenceInfo data type is the key of the map.
        plmnId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/PlmnId'
        connectState:
          $ref: 'TS29518_Namf_EventExposure.yaml#/components/schemas/CmState'
    UePolicy:
      $ref: 'TS29571_CommonData.yaml#/components/schemas/Bytes'
    UePolicyDeliveryResult:
      $ref: 'TS29571_CommonData.yaml#/components/schemas/Bytes'
    UePolicyRequest:
      $ref: 'TS29571_CommonData.yaml#/components/schemas/Bytes'
    RequestTrigger:
      anyOf:
      - type: string
        enum:
          - LOC_CH
          - PRA_CH
          - UE_POLICY
          - PLMN_CH
          - CON_STATE_CH
          - GROUP_ID_LIST_CHG
      - type: string
        description: >
          This string provides forward-compatibility with future
          extensions to the enumeration but is not used to encode
          content defined in the present version of this API.
      description: >
        Possible values are
        - LOC_CH: Location change (tracking area). The tracking area of the UE has changed.
        - PRA_CH: Change of UE presence in PRA. The AMF reports the current presence status of the UE in a Presence Reporting Area, and notifies that the UE enters/leaves the Presence Reporting Area.
        - UE_POLICY: A MANAGE UE POLICY COMPLETE message or a MANAGE UE POLICY COMMAND REJECT message, as defined in Annex D.5 of 3GPP TS 24.501 or a "UE POLICY PROVISIONING REQUEST" message, as defined in subclause 7.2.1.1 of 3GPP TS 24.587 , has been received by the AMF and is being forwarded.
        - PLMN_CH: PLMN change. the serving PLMN of UE has changed. 
        - CON_STATE_CH: Connectivity state change: the connectivity state of UE has changed. 
        - GROUP_ID_LIST_CHG: UE Internal Group Identifier(s) has changed. This event does not require a subscription
    PolicyAssociationReleaseCause:
      anyOf:
      - type: string
        enum:
          - UNSPECIFIED
          - UE_SUBSCRIPTION
          - INSUFFICIENT_RES
      - type: string
        description: >
          This string provides forward-compatibility with future
          extensions to the enumeration but is not used to encode
          content defined in the present version of this API.
      description: >
        Possible values are
        - UNSPECIFIED: This value is used for unspecified reasons.
        - UE_SUBSCRIPTION: This value is used to indicate that the policy association needs to be terminated because the subscription of UE has changed (e.g. was removed).
        - INSUFFICIENT_RES: This value is used to indicate that the server is overloaded and needs to abort the policy association.
    Pc5Capability:
      anyOf:
      - type: string
        enum:
          - LTE_PC5
          - NR_PC5
          - LTE_NR_PC5
      - type: string
        description: >
          This string provides forward-compatibility with future
          extensions to the enumeration but is not used to encode
          content defined in the present version of this API.
      description: >
        Possible values are
        - LTE_PC5: This value is used to indicate that UE supports PC5 LTE RAT for V2X communication over PC5 reference point.
        - NR_PC5: This value is used to indicate that UE supports PC5 NR RAT for V2X communication over PC5 reference point.
        - LTE_NR_PC5: This value is used to indicate that UE supports both PC5 LTE and NR RAT for V2X communication over PC5 reference point.