openapi: 3.0.0
info:
  title: Nnef_EventExposure
  version: 1.1.0-alpha.1
  description: |
    NEF Event Exposure Service.
    © 2021, 3GPP Organizational Partners (ARIB, ATIS, CCSA, ETSI, TSDSI, TTA, TTC).
    All rights reserved.
externalDocs:
  description: 3GPP TS 29.591 V17.1.0; 5G System; Network Exposure Function Southbound Services; Stage 3.
  url: http://www.3gpp.org/ftp/Specs/archive/29_series/29.591/
servers:
  - url: '{apiRoot}/nnef-eventexposure/v1'
    variables:
      apiRoot:
        default: https://example.com
        description: apiRoot as defined in clause 4.4 of 3GPP TS 29.501
security:
  - {}
  - oAuth2ClientCredentials:
    - nnef-eventexposure
paths:

  /subscriptions:
    post:
      summary: subscribe to notifications
      operationId: CreateIndividualSubcription
      tags:
        - Subscriptions (Collection)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/NefEventExposureSubsc'
      responses:
        '201':
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NefEventExposureSubsc'
          headers:
            Location:
              description: 'Contains the URI of the newly created resource, according to the structure: {apiRoot}/nnef-eventexposure/<apiVersion>/subscriptions/{subscriptionId}'
              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:
          $ref: 'TS29571_CommonData.yaml#/components/responses/default'
      callbacks:
        myNotification:
          '{$request.body#/notifUri}': 
            post:
              requestBody:
                required: true
                content:
                  application/json:
                    schema:
                      $ref: '#/components/schemas/NefEventExposureNotif'
              responses:
                '204':
                  description: No Content, Notification was succesfull
                '307':
                  description: Temporary 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 NF consumer (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
                '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 NF consumer (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'
  /subscriptions/{subscriptionId}:
    get:
      summary: retrieve subscription
      operationId: GetIndividualSubcription
      tags:
        - IndividualSubscription (Document)
      parameters:
        - name: subscriptionId
          in: path
          description: Event Subscription ID
          required: true
          schema:
            type: string
        - name: supp-feat
          in: query
          description: Features supported by the NF service consumer
          required: false
          schema:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      responses:
        '200':
          description: OK. Resource representation is returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NefEventExposureSubsc'
        '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 NEF (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 NEF (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'
    put:
      summary: update subscription
      operationId: ReplaceIndividualSubcription
      tags:
        - IndividualSubscription (Document)
      requestBody:
        required: true
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/NefEventExposureSubsc'
      parameters:
        - name: subscriptionId
          in: path
          description: Event Subscription ID
          required: true
          schema:
            type: string
      responses:
        '200':
          description: OK. Resource was succesfully modified and representation is returned
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/NefEventExposureSubsc'
        '204':
          description: No Content. Resource was succesfully modified
        '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 NEF (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 NEF (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'
    delete:
      summary: unsubscribe from notifications
      operationId: DeleteIndividualSubcription
      tags:
        - IndividualSubscription (Document)
      parameters:
        - name: subscriptionId
          in: path
          description: Event Subscription ID
          required: true
          schema:
            type: string
      responses:
        '204':
          description: No Content. Resource was succesfully 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 NEF (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 NEF (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'
components:
  securitySchemes:
    oAuth2ClientCredentials:
      type: oauth2
      flows:
        clientCredentials:
          tokenUrl: '{nrfApiRoot}/oauth2/token'
          scopes:
            nnef-eventexposure: Access to the Nnef_EventExposure API
  schemas:
    NefEventExposureSubsc:
      description: Represents an Individual Network Exposure Event Subscription resource.
      type: object
      properties:
        eventsSubs:
          type: array
          items:
            $ref: '#/components/schemas/NefEventSubs'
          minItems: 1
        eventsRepInfo:
          $ref: 'TS29523_Npcf_EventExposure.yaml#/components/schemas/ReportingInformation'
        notifUri:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Uri'
        notifId:
          type: string
        eventNotifs:
          type: array
          items:
            $ref: '#/components/schemas/NefEventNotification'
          minItems: 1
        suppFeat:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/SupportedFeatures'
      required:
        - eventsSubs
        - notifId
        - notifUri
    NefEventExposureNotif:
      description: Represents notifications on network exposure event(s) that occurred for an Individual Network Exposure Event Subscription resource.
      type: object
      properties:
        notifId:
          type: string
        eventNotifs:
          type: array
          items:
            $ref: '#/components/schemas/NefEventNotification'
          minItems: 1
      required:
        - notifId
        - eventNotifs
    NefEventNotification:
      description: Represents information related to an event to be reported.
      type: object
      properties:
        event:
          $ref: '#/components/schemas/NefEvent'
        timeStamp:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/DateTime'
        svcExprcInfos:
          type: array
          items:
            $ref: '#/components/schemas/ServiceExperienceInfo'
          minItems: 1
        ueMobilityInfos:
          type: array
          items:
            $ref: '#/components/schemas/UeMobilityInfo'
          minItems: 1
        ueCommInfos:
          type: array
          items:
            $ref: '#/components/schemas/UeCommunicationInfo'
          minItems: 1
        excepInfos:
          type: array
          items:
            $ref: 'TS29517_Naf_EventExposure.yaml#/components/schemas/ExceptionInfo'
          minItems: 1
      required:
        - event
        - timeStamp
    NefEventSubs:
      description: Represents an event to be subscribed and the related event filter information.
      type: object
      properties:
        event:
          $ref: '#/components/schemas/NefEvent'
        eventFilter:
          $ref: '#/components/schemas/NefEventFilter'
      required:
        - event
    NefEventFilter:
      description: Represents event filter information for an event.
      type: object
      properties:
        tgtUe:
          $ref: '#/components/schemas/TargetUeIdentification'
        appIds:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
          minItems: 1
        locArea:
          $ref: 'TS29554_Npcf_BDTPolicyControl.yaml#/components/schemas/NetworkAreaInfo'
      required:
        - tgtUe
    TargetUeIdentification:
      description: Identifies the UE to which the request applies.
      type: object
      properties:
        supis:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Supi'
          minItems: 1
        interGroupIds:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/GroupId'
          minItems: 1
        anyUeId:
          type: boolean
    ServiceExperienceInfo:
      description: Contains service experience information associated with an application.
      type: object
      properties:
        appId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
        supis:
          type: array
          items:
            $ref: 'TS29571_CommonData.yaml#/components/schemas/Supi'
          minItems: 1
        svcExpPerFlows:
          type: array
          items:
            $ref: 'TS29517_Naf_EventExposure.yaml#/components/schemas/ServiceExperienceInfoPerFlow'
          minItems: 1
      required:
        - svcExpPerFlows
    UeMobilityInfo:
      description: Contains UE mobility information associated with an application.
      type: object
      properties:
        supi:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Supi'
        appId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
        ueTrajs:
          type: array
          items:
            $ref: '#/components/schemas/UeTrajectoryInfo'
          minItems: 1
      required:
        - supi
        - ueTrajs
    UeCommunicationInfo:
      description: Contains UE communication information associated with an application.
      type: object
      properties:
        supi:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/Supi'
        interGroupId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/GroupId'
        appId:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/ApplicationId'
        comms:
          type: array
          items:
            $ref: 'TS29517_Naf_EventExposure.yaml#/components/schemas/CommunicationCollection'
          minItems: 1
      required:
        - comms
    UeTrajectoryInfo:
      description: Contains UE trajectory information.
      type: object
      properties:
        ts:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/DateTime'
        location:
          $ref: 'TS29571_CommonData.yaml#/components/schemas/UserLocation'
      required:
        - ts
        - location

# Simple data types and Enumerations

    NefEvent:
      description: Represents Network Exposure Events.
      anyOf:
      - type: string
        enum:
          - SVC_EXPERIENCE
          - UE_MOBILITY
          - UE_COMM
          - EXCEPTIONS
      - type: string