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openapi: 3.0.0

info:
  title: Npcf_BDTPolicyControl Service API
  version: 1.3.0
  description: |
    PCF BDT Policy Control Service.  
    © 2024, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).  
    All rights reserved.

externalDocs:
  description: >
    3GPP TS 29.554 V18.3.0; 5G System; Background Data Transfer Policy Control Service.
  url: 'https://www.3gpp.org/ftp/Specs/archive/29_series/29.554/'

servers:
  - url: '{apiRoot}/npcf-bdtpolicycontrol/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in clause 4.4 of 3GPP TS 29.501.

security:
  - {}
  - oAuth2ClientCredentials:
    - npcf-bdtpolicycontrol

paths:
  /bdtpolicies:
    post:
      summary: Create a new Individual BDT policy
      operationId: CreateBDTPolicy
      tags:
        - BDT policies (Collection)
      requestBody:
        description: >
          Contains information for the creation of a new Individual BDT policy resource.
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/BdtReqData'
      responses:
        '201':
          description: Background data transfer policies offered to an ASP.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BdtPolicy'
          headers:
            Location:
              description: >
                Contains the URI of the created individual BDT policy resource,
                according to the structure
                {apiRoot}/npcf-bdtpolicycontrol/v1/bdtpolicies/{bdtPolicyId}
              required: true
              schema:
                type: string
        '303':
          description: >
            See Other. The result of the POST request would be equivalent to the
            existing Individual BDT policy resource.
          headers:
            Location:
              description: Contains the URI of the existing individual BDT policy resource.
              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'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
      callbacks:
        BdtNotification:
          '{$request.body#/notifUri}':
            post:
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/Notification'
              responses:
                '204':
                  description: No Content, a reception of the BDT notification was successful.
                '307':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/307'
                '308':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/308'
                '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'
                '502':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/502'
                '503':
                  $ref: 'TS29571_CommonData.yaml#/components/responses/503'
                default:
                  $ref: 'TS29571_CommonData.yaml#/components/responses/default'

  /bdtpolicies/{bdtPolicyId}:
    get:
      summary: Read an Individual BDT policy
      operationId: GetBDTPolicy
      tags:
        - Individual BDT policy (Document)
      parameters:
        - name: bdtPolicyId
          description: String identifying the individual BDT policy resource in the PCF.
          in: path
          required: true
          schema:
            type: string
      responses:
        '200':
          description: Background data transfer policies offered to and selected by an ASP.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BdtPolicy'
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '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'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '503':
          $ref: 'TS29571_CommonData.yaml#/components/responses/503'
        default:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
    patch:
      summary: Update an Individual BDT policy
      operationId: UpdateBDTPolicy
      tags:
        - Individual BDT policy (Document)
      parameters:
      - name: bdtPolicyId
        description: String identifying the individual BDT policy resource in the PCF.
        in: path
        required: true
        schema:
          type: string
      requestBody:
        description: >
          Contains modification instruction to be performed on the BdtPolicy data
          structure to select a transfer policy and in addition, may indicate whether
          the BDT warning notification is enabled or disabled.
        required: true
        content:
          application/merge-patch+json:
            schema:
              $ref: '#/components/schemas/PatchBdtPolicy'
      responses:
        '200':
          description: >
            The Individual BDT Policy resource is modified and a representation of that
            resource is returned.
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/BdtPolicy'
        '204':
          description: The Individual BDT Policy resource is modified.
        '307':
          $ref: 'TS29571_CommonData.yaml#/components/responses/307'
        '308':
          $ref: 'TS29571_CommonData.yaml#/components/responses/308'
        '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'
        '502':
          $ref: 'TS29571_CommonData.yaml#/components/responses/502'
        '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-bdtpolicycontrol: Access to the Npcf_BDTPolicyControl API

  schemas:

# Structured data types

    BdtPolicy:
      description: Represents an Individual BDT policy resource.
      type: object
      properties:
        bdtPolData:
          $ref: '#/components/schemas/BdtPolicyData'
        bdtReqData:
          $ref: '#/components/schemas/BdtReqData'

    BdtReqData:
      description: >
        Contains service requirements for creation a new Individual BDT policy resource.
      type: object
      required:
      - aspId
      - desTimeInt
      - numOfUes
      - volPerUe
      properties:
        aspId:
          $ref: '#/components/schemas/AspId'
        desTimeInt:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/TimeWindow'
        dnn:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Dnn'
        interGroupId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/GroupId'
        notifUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        nwAreaInfo:
          $ref: '#/components/schemas/NetworkAreaInfo'
        numOfUes:
          description: Indicates a number of UEs.
          type: integer
        volPerUe:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/UsageThreshold'
        snssai:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Snssai'
        suppFeat:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
        trafficDes:
          $ref: 'TS29122_ResourceManagementOfBdt.yaml#/components/schemas/TrafficDescriptor'
        warnNotifReq:
          description: Indicates whether the BDT warning notification is enabled or disabled.
          type: boolean
          default: false

    BdtPolicyData:
      description: Describes the authorization data of an Individual BDT policy resource.
      type: object
      required:
      - bdtRefId
      - transfPolicies
      properties:
        bdtRefId:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/BdtReferenceId'
        transfPolicies:
          description: Contains transfer policies.
          type: array
          items:
            $ref: '#/components/schemas/TransferPolicy'
          minItems: 1
        selTransPolicyId:
          description: Contains an identity of the selected transfer policy.
          type: integer
        suppFeat:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'

    PatchBdtPolicy:
      description: >
        Describes the updates in authorization data of an Individual BDT Policy created
        by the PCF.
      type: object
      properties:
        bdtPolData:
          $ref: '#/components/schemas/BdtPolicyDataPatch'
        bdtReqData:
          $ref: '#/components/schemas/BdtReqDataPatch'

    BdtPolicyDataPatch:
      description: >
        A JSON Merge Patch body schema containing modification instruction to be performed
        on the bdtPolData attribute of the BdtPolicy data structure to select a transfer
        policy. Adds selTransPolicyId to BdtPolicyData data structure.
      type: object
      required:
      - selTransPolicyId
      properties:
        selTransPolicyId:
          description: >
            Contains an identity (i.e. transPolicyId value) of the selected transfer
            policy. If the BdtNotification_5G feature is supported value 0 indicates that
            no transfer policy is selected.
          type: integer

    BdtReqDataPatch:
      description: >
        A JSON Merge Patch body schema containing modification instruction to be performed
        on the bdtReqData attribute of the BdtPolicy data structure to indicate whether
        the BDT warning notification is enabled or disabled. Modifies warnNotifReq from
        BdtReqData data structure.
      type: object
      properties:
        warnNotifReq:
          description: Indicates whether the BDT warning notification is enabled or disabled.
          type: boolean

    TransferPolicy:
      description: Describes a transfer policy.
      type: object
      required:
      - ratingGroup
      - recTimeInt
      - transPolicyId
      properties:
        maxBitRateDl:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/BitRate'
        maxBitRateUl:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/BitRate'
        ratingGroup:
          description: Indicates a rating group for the recommended time window.
          type: integer
        recTimeInt:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/TimeWindow'
        transPolicyId:
          description: Contains an identity of a transfer policy.
          type: integer

    NetworkAreaInfo:
      description: >
        Describes a network area information in which the NF service consumer requests
        the number of UEs.
      type: object
      properties:
        ecgis:
          description: Contains a list of E-UTRA cell identities.
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Ecgi'
          minItems: 1
        ncgis:
          description: Contains a list of NR cell identities.
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Ncgi'
          minItems: 1
        gRanNodeIds:
          description: Contains a list of NG RAN nodes.
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/GlobalRanNodeId'
          minItems: 1
        tais:
          description: Contains a list of tracking area identities.
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Tai'
          minItems: 1

    Notification:
      description: Describes a BDT notification.
      type: object
      required:
      - bdtRefId
      properties:
        bdtRefId:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/BdtReferenceId'
        candPolicies:
          description: >
            Contains a list of the candidate transfer policies from which the AF may
            select a new transfer policy due to a network performance is below the criteria
            set by the operator.
          type: array
          items:
            $ref: '#/components/schemas/TransferPolicy'
          minItems: 1
        nwAreaInfo:
          $ref: '#/components/schemas/NetworkAreaInfo'
        timeWindow:
          $ref: 'TS29122_CommonData.yaml#/components/schemas/TimeWindow'

# Simple data types

    AspId:
      description: Contains an identity of an application service provider.
      type: string