openapi: 3.0.0
info:
  description: "API for auditing.  \n© 2025, 3GPP Organizational Partners (ARIB, ATIS,\
    \ CCSA, ETSI, TSDSI, TTA, TTC).  \nAll rights reserved.\n"
  title: CAPIF_Auditing_API
  version: 1.4.0-alpha.2
externalDocs:
  description: 3GPP TS 29.222 V19.3.0 Common API Framework for 3GPP Northbound APIs
  url: https://www.3gpp.org/ftp/Specs/archive/29_series/29.222/
servers:
- url: "{apiRoot}/logs/v1"
  variables:
    apiRoot:
      default: https://example.com
      description: apiRoot as defined in clause 7.5 of 3GPP TS 29.222.
paths:
  /apiInvocationLogs:
    get:
      description: Query and retrieve service API invocation logs stored on the CAPIF
        core function.
      operationId: api_invocation_logs_get
      parameters:
      - description: String identifying the API exposing function.
        explode: true
        in: query
        name: aef-id
        required: false
        schema:
          type: string
        style: form
      - description: String identifying the API invoker which invoked the service
          API.
        explode: true
        in: query
        name: api-invoker-id
        required: false
        schema:
          type: string
        style: form
      - description: Start time of the invocation time range.
        explode: true
        in: query
        name: time-range-start
        required: false
        schema:
          $ref: '#/components/schemas/DateTime'
        style: form
      - description: End time of the invocation time range.
        explode: true
        in: query
        name: time-range-end
        required: false
        schema:
          $ref: '#/components/schemas/DateTime'
        style: form
      - description: String identifying the API invoked.
        explode: true
        in: query
        name: api-id
        required: false
        schema:
          type: string
        style: form
      - description: |
          Contains the API name set to the value of the "<apiName>" placeholder of the API URI as defined in clause 5.2.4 of 3GPP TS 29.122 [14].
        explode: true
        in: query
        name: api-name
        required: false
        schema:
          type: string
        style: form
      - description: Version of the API which was invoked.
        explode: true
        in: query
        name: api-version
        required: false
        schema:
          type: string
        style: form
      - description: Protocol invoked.
        explode: true
        in: query
        name: protocol
        required: false
        schema:
          $ref: '#/components/schemas/Protocol'
        style: form
      - description: Operation that was invoked on the API.
        explode: true
        in: query
        name: operation
        required: false
        schema:
          $ref: '#/components/schemas/Operation'
        style: form
      - description: Result or output of the invocation.
        explode: true
        in: query
        name: result
        required: false
        schema:
          type: string
        style: form
      - description: Name of the specific resource invoked.
        explode: true
        in: query
        name: resource-name
        required: false
        schema:
          type: string
        style: form
      - content:
          application/json:
            schema:
              $ref: '#/components/schemas/InterfaceDescription'
        description: Interface description of the API invoker.
        in: query
        name: src-interface
        required: false
      - content:
          application/json:
            schema:
              $ref: '#/components/schemas/InterfaceDescription'
        description: Interface description of the API invoked.
        in: query
        name: dest-interface
        required: false
      - description: To filter irrelevant responses related to unsupported features
        explode: true
        in: query
        name: supported-features
        required: false
        schema:
          $ref: '#/components/schemas/SupportedFeatures'
        style: form
      - content:
          application/json:
            schema:
              items:
                $ref: '#/components/schemas/NetSliceId'
              minItems: 1
              type: array
        description: |
          Contains the identifier(s) of the network slice(s) within which the API shall be available.
        in: query
        name: net-slice-info
        required: false
      responses:
        "200":
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/InvocationLogsRetrieveRes'
          description: |
            Result of the query operation along with fetched service API invocation log data.
        "307":
          description: Temporary Redirect
          headers:
            Location:
              description: An alternative URI of the resource.
              required: true
              schema:
                type: string
        "308":
          description: Permanent Redirect
          headers:
            Location:
              description: An alternative URI of the resource.
              required: true
              schema:
                type: string
        "400":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Bad request
        "401":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Unauthorized
        "403":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Forbidden
        "404":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Not Found
        "406":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Not Acceptable
        "414":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: URI Too Long
        "429":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Too Many Requests
        "500":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Internal Server Error
        "503":
          content:
            application/problem+json:
              schema:
                $ref: '#/components/schemas/ProblemDetails'
          description: Service Unavailable
        default:
          description: Generic Error
      x-openapi-router-controller: logs.controllers.default_controller
components:
  responses:
    "307":
      description: Temporary Redirect
      headers:
        Location:
          description: An alternative URI of the resource.
          required: true
          schema:
            type: string
    "308":
      description: Permanent Redirect
      headers:
        Location:
          description: An alternative URI of the resource.
          required: true
          schema:
            type: string
    "400":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Bad request
    "401":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Unauthorized
    "403":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Forbidden
    "404":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Not Found
    "406":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Not Acceptable
    "414":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: URI Too Long
    "429":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Too Many Requests
    "500":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Internal Server Error
    "503":
      content:
        application/problem+json:
          schema:
            $ref: '#/components/schemas/ProblemDetails'
      description: Service Unavailable
    default:
      description: Generic Error
  schemas:
    InvocationLogs:
      description: |
        Represents several (more than one) invocation logs.
      properties:
        multipleInvocationLogs:
          items:
            $ref: '#/components/schemas/InvocationLog'
          minItems: 1
          title: multipleInvocationLogs
          type: array
        supportedFeatures:
          description: |
            A string used to indicate the features supported by an API that is used as defined in clause  6.6 in 3GPP TS 29.500. The string shall contain a bitmask indicating supported features in  hexadecimal representation Each character in the string shall take a value of "0" to "9",  "a" to "f" or "A" to "F" and shall represent the support of 4 features as described in  table 5.2.2-3. The most significant character representing the highest-numbered features shall  appear first in the string, and the character representing features 1 to 4 shall appear last  in the string. The list of features and their numbering (starting with 1) are defined  separately for each API. If the string contains a lower number of characters than there are  defined features for an API, all features that would be represented by characters that are not  present in the string are not supported.
          pattern: "^[A-Fa-f0-9]*$"
          title: SupportedFeatures
          type: string
      required:
      - multipleInvocationLogs
      title: InvocationLogs
      type: object
    InvocationLogsRetrieveRes:
      description: |
        Represents the result of an invocation logs retrieval request.
      oneOf:
      - $ref: '#/components/schemas/InvocationLog'
      - $ref: '#/components/schemas/InvocationLogs'
      title: InvocationLogsRetrieveRes
    DateTime:
      description: string with format "date-time" as defined in OpenAPI.
      format: date-time
      title: DateTime
      type: string
    Protocol:
      enum:
        - HTTP_1_1
        - HTTP_2
        - MQTT
        - WEBSOCKET
      type: string
      description: "Indicates a protocol and protocol version used by the API.  \n\
        Possible values are:\n- HTTP_1_1: Indicates that the protocol is HTTP version\
        \ 1.1.\n- HTTP_2: Indicates that the protocol is HTTP version 2.\n- MQTT:\
        \ Indicates that the protocol is Message Queuing Telemetry Transport.\n- WEBSOCKET:\
        \ Indicates that the protocol is Websocket.\n"
      title: Protocol
    Operation:
      enum:
        - GET
        - POST
        - PUT
        - PATCH
        - DELETE
      type: string
      description: "Indicates an HTTP method.  \nPossible values are:\n- GET: HTTP\
        \ GET method.\n- POST: HTTP POST method.\n- PUT: HTTP PUT method.\n- PATCH:\
        \ HTTP PATCH method.\n- DELETE: HTTP DELETE method.\n"
      title: Operation
    InterfaceDescription:
      description: Represents the description of an API's interface.
      example:
        ipv6Addr: ipv6Addr
        grantTypes:
        - CLIENT_CREDENTIALS
        - CLIENT_CREDENTIALS
        securityMethods:
        - PSK
        - PSK
        fqdn: fqdn
        port: 39500
        apiPrefix: apiPrefix
        ipv4Addr: ipv4Addr
      nullable: true
      oneOf:
        - required: ["ipv4Addr"] 
        - required: ["ipv6Addr"] 
        - required: ["fqdn"] 
      properties:
        ipv4Addr:
          description: |
            string identifying a Ipv4 address formatted in the "dotted decimal" notation as defined in IETF RFC 1166.
          title: Ipv4Addr
          type: string
        ipv6Addr:
          description: |
            string identifying a Ipv6 address formatted according to clause 4 in IETF RFC 5952. The mixed Ipv4 Ipv6 notation according to clause 5 of IETF RFC 5952 shall not be used.
          title: Ipv6Addr
          type: string
        fqdn:
          description: Fully Qualified Domain Name
          maxLength: 253
          minLength: 4
          pattern: "^([0-9A-Za-z]([-0-9A-Za-z]{0,61}[0-9A-Za-z])?\\.)+[A-Za-z]{2,63}\\\
            .?$"
          title: Fqdn
          type: string
        port:
          description: Unsigned integer with valid values between 0 and 65535.
          maximum: 65535
          minimum: 0
          title: Port
          type: integer
        apiPrefix:
          description: |
            A string representing a sequence of path segments that starts with the slash character.
          title: apiPrefix
          type: string
        securityMethods:
          description: |
            Security methods supported by the interface, it take precedence over the security methods provided in AefProfile, for this specific interface.
          items:
            $ref: '#/components/schemas/SecurityMethod'
          minItems: 1
          title: securityMethods
          type: array
        grantTypes:
          items:
            $ref: '#/components/schemas/OAuthGrantType'
          minItems: 1
          title: grantTypes
          type: array
      title: InterfaceDescription
      type: object
    SecurityMethod:
      enum:
        - PSK
        - PKI
        - OAUTH
      type: string
      description: "Indicates the security method.  \nPossible values are:\n- PSK:\
        \ Security method 1 (Using TLS-PSK) as described in 3GPP TS 33.122.\n- PKI:\
        \ Security method 2 (Using PKI) as described in 3GPP TS 33.122.\n- OAUTH:\
        \ Security method 3 (TLS with OAuth token) as described in 3GPP TS 33.122.\n"
      title: SecurityMethod
    SupportedFeatures:
      description: |
        A string used to indicate the features supported by an API that is used as defined in clause  6.6 in 3GPP TS 29.500. The string shall contain a bitmask indicating supported features in  hexadecimal representation Each character in the string shall take a value of "0" to "9",  "a" to "f" or "A" to "F" and shall represent the support of 4 features as described in  table 5.2.2-3. The most significant character representing the highest-numbered features shall  appear first in the string, and the character representing features 1 to 4 shall appear last  in the string. The list of features and their numbering (starting with 1) are defined  separately for each API. If the string contains a lower number of characters than there are  defined features for an API, all features that would be represented by characters that are not  present in the string are not supported.
      pattern: "^[A-Fa-f0-9]*$"
      title: SupportedFeatures
      type: string
    NetSliceId:
      description: |
        Represents the network slice identification information.
      example:
        ensi: ensi
        snssai:
          sd: sd
          sst: 37
        nsiId: nsiId
      nullable: true
      oneOf:
        - required: ["snssai"]
        - required: ["nsiId"]
        - required: ["ensi"]
      properties:
        snssai:
          $ref: '#/components/schemas/Snssai'
        nsiId:
          description: Contains the Identifier of the selected Network Slice instance
          title: NsiId
          type: string
        ensi:
          description: |
            Represents the External Network Slice Information that is used to identify a network slice, as specified in 3GPP TS 33.501.
          title: Ensi
          type: string
      title: NetSliceId
      type: object
    Ensi:
      description: |
        Represents the External Network Slice Information that is used to identify a network slice, as specified in 3GPP TS 33.501.
      title: Ensi
      type: string
    ProblemDetails:
      description: Represents additional information and details on an error response.
      properties:
        type:
          description: string providing an URI formatted according to IETF RFC 3986.
          title: Uri
          type: string
        title:
          description: "A short, human-readable summary of the problem type. It should\
            \ not change from occurrence to occurrence of the problem. \n"
          title: title
          type: string
        status:
          description: The HTTP status code for this occurrence of the problem.
          title: status
          type: integer
        detail:
          description: A human-readable explanation specific to this occurrence of
            the problem.
          title: detail
          type: string
        instance:
          description: string providing an URI formatted according to IETF RFC 3986.
          title: Uri
          type: string
        cause:
          description: |
            A machine-readable application error cause specific to this occurrence of the problem. This IE should be present and provide application-related error information, if available.
          title: cause
          type: string
        invalidParams:
          description: |
            Description of invalid parameters, for a request rejected due to invalid parameters.
          items:
            $ref: '#/components/schemas/InvalidParam'
          minItems: 1
          title: invalidParams
          type: array
        supportedFeatures:
          description: |
            A string used to indicate the features supported by an API that is used as defined in clause  6.6 in 3GPP TS 29.500. The string shall contain a bitmask indicating supported features in  hexadecimal representation Each character in the string shall take a value of "0" to "9",  "a" to "f" or "A" to "F" and shall represent the support of 4 features as described in  table 5.2.2-3. The most significant character representing the highest-numbered features shall  appear first in the string, and the character representing features 1 to 4 shall appear last  in the string. The list of features and their numbering (starting with 1) are defined  separately for each API. If the string contains a lower number of characters than there are  defined features for an API, all features that would be represented by characters that are not  present in the string are not supported.
          pattern: "^[A-Fa-f0-9]*$"
          title: SupportedFeatures
          type: string
      title: ProblemDetails
      type: object
    Uri:
      description: string providing an URI formatted according to IETF RFC 3986.
      title: Uri
      type: string
    InvalidParam:
      description: |
        Represents the description of invalid parameters, for a request rejected due to invalid parameters.
      properties:
        param:
          description: "Attribute's name encoded as a JSON Pointer, or header's name."
          title: param
          type: string
        reason:
          description: "A human-readable reason, e.g. \"must be a positive integer\"\
            ."
          title: reason
          type: string
      required:
      - param
      title: InvalidParam
      type: object
    InvocationLog:
      description: |
        Represents a set of Service API invocation logs to be stored in a CAPIF core function.
      example:
        supportedFeatures: supportedFeatures
        apiInvokerId: apiInvokerId
        aefId: aefId
        logs:
        - apiName: apiName
          invocationTime: 2000-01-23T04:56:07.000+00:00
          srcInterface:
            ipv6Addr: ipv6Addr
            grantTypes:
            - CLIENT_CREDENTIALS
            - CLIENT_CREDENTIALS
            securityMethods:
            - PSK
            - PSK
            fqdn: fqdn
            port: 39500
            apiPrefix: apiPrefix
            ipv4Addr: ipv4Addr
          fwdInterface: fwdInterface
          resourceName: resourceName
          uri: uri
          inputParameters: ""
          invocationLatency: 0
          result: result
          protocol: HTTP_1_1
          apiVersion: apiVersion
          netSliceInfo:
            ensi: ensi
            snssai:
              sd: sd
              sst: 37
            nsiId: nsiId
          destInterface:
            ipv6Addr: ipv6Addr
            grantTypes:
            - CLIENT_CREDENTIALS
            - CLIENT_CREDENTIALS
            securityMethods:
            - PSK
            - PSK
            fqdn: fqdn
            port: 39500
            apiPrefix: apiPrefix
            ipv4Addr: ipv4Addr
          operation: GET
          apiId: apiId
          outputParameters: ""
        - apiName: apiName
          invocationTime: 2000-01-23T04:56:07.000+00:00
          srcInterface:
            ipv6Addr: ipv6Addr
            grantTypes:
            - CLIENT_CREDENTIALS
            - CLIENT_CREDENTIALS
            securityMethods:
            - PSK
            - PSK
            fqdn: fqdn
            port: 39500
            apiPrefix: apiPrefix
            ipv4Addr: ipv4Addr
          fwdInterface: fwdInterface
          resourceName: resourceName
          uri: uri
          inputParameters: ""
          invocationLatency: 0
          result: result
          protocol: HTTP_1_1
          apiVersion: apiVersion
          netSliceInfo:
            ensi: ensi
            snssai:
              sd: sd
              sst: 37
            nsiId: nsiId
          destInterface:
            ipv6Addr: ipv6Addr
            grantTypes:
            - CLIENT_CREDENTIALS
            - CLIENT_CREDENTIALS
            securityMethods:
            - PSK
            - PSK
            fqdn: fqdn
            port: 39500
            apiPrefix: apiPrefix
            ipv4Addr: ipv4Addr
          operation: GET
          apiId: apiId
          outputParameters: ""
      properties:
        aefId:
          description: |
            Identity information of the API exposing function requesting logging of service API invocations
          title: aefId
          type: string
        apiInvokerId:
          description: Identity of the API invoker which invoked the service API
          title: apiInvokerId
          type: string
        logs:
          description: Service API invocation log
          items:
            $ref: '#/components/schemas/Log'
          minItems: 1
          title: logs
          type: array
        supportedFeatures:
          description: |
            A string used to indicate the features supported by an API that is used as defined in clause  6.6 in 3GPP TS 29.500. The string shall contain a bitmask indicating supported features in  hexadecimal representation Each character in the string shall take a value of "0" to "9",  "a" to "f" or "A" to "F" and shall represent the support of 4 features as described in  table 5.2.2-3. The most significant character representing the highest-numbered features shall  appear first in the string, and the character representing features 1 to 4 shall appear last  in the string. The list of features and their numbering (starting with 1) are defined  separately for each API. If the string contains a lower number of characters than there are  defined features for an API, all features that would be represented by characters that are not  present in the string are not supported.
          pattern: "^[A-Fa-f0-9]*$"
          title: SupportedFeatures
          type: string
      required:
      - aefId
      - apiInvokerId
      - logs
      title: InvocationLog
      type: object
    Log:
      description: Represents an individual service API invocation log entry.
      example:
        apiName: apiName
        invocationTime: 2000-01-23T04:56:07.000+00:00
        srcInterface:
          ipv6Addr: ipv6Addr
          grantTypes:
          - CLIENT_CREDENTIALS
          - CLIENT_CREDENTIALS
          securityMethods:
          - PSK
          - PSK
          fqdn: fqdn
          port: 39500
          apiPrefix: apiPrefix
          ipv4Addr: ipv4Addr
        fwdInterface: fwdInterface
        resourceName: resourceName
        uri: uri
        inputParameters: ""
        invocationLatency: 0
        result: result
        protocol: HTTP_1_1
        apiVersion: apiVersion
        netSliceInfo:
          ensi: ensi
          snssai:
            sd: sd
            sst: 37
          nsiId: nsiId
        destInterface:
          ipv6Addr: ipv6Addr
          grantTypes:
          - CLIENT_CREDENTIALS
          - CLIENT_CREDENTIALS
          securityMethods:
          - PSK
          - PSK
          fqdn: fqdn
          port: 39500
          apiPrefix: apiPrefix
          ipv4Addr: ipv4Addr
        operation: GET
        apiId: apiId
        outputParameters: ""
      properties:
        apiId:
          description: String identifying the API invoked.
          title: apiId
          type: string
        apiName:
          description: |
            Contains the invoked API name set to the value of the "<apiName>" placeholder of the API URI as defined in clause 5.2.4 of 3GPP TS 29.122 [14].
          title: apiName
          type: string
        apiVersion:
          description: Version of the API which was invoked
          title: apiVersion
          type: string
        resourceName:
          description: Name of the specific resource invoked
          title: resourceName
          type: string
        uri:
          description: string providing an URI formatted according to IETF RFC 3986.
          title: Uri
          type: string
        protocol:
          $ref: '#/components/schemas/Protocol'
        operation:
          $ref: '#/components/schemas/Operation'
        result:
          description: "For HTTP protocol, it contains HTTP status code of the invocation"
          title: result
          type: string
        invocationTime:
          description: string with format "date-time" as defined in OpenAPI.
          format: date-time
          title: DateTime
          type: string
        invocationLatency:
          description: Represents a period of time in units of milliseconds.
          minimum: 0
          title: DurationMs
          type: integer
        inputParameters:
          description: |
            List of input parameters. Can be any value - string, number, boolean, array or object.
          title: inputParameters
        outputParameters:
          description: |
            List of output parameters. Can be any value - string, number, boolean, array or object.
          title: outputParameters
        srcInterface:
          $ref: '#/components/schemas/InterfaceDescription'
        destInterface:
          $ref: '#/components/schemas/InterfaceDescription'
        fwdInterface:
          description: |
            It includes the node identifier (as defined in IETF RFC 7239 of all forwarding entities between the API invoker and the AEF, concatenated with comma and space, e.g. 192.0.2.43:80, unknown:_OBFport, 203.0.113.60
          title: fwdInterface
          type: string
        netSliceInfo:
          $ref: '#/components/schemas/NetSliceId'
      required:
      - apiId
      - apiName
      - apiVersion
      - protocol
      - resourceName
      - result
      title: Log
      type: object
    DurationMs:
      description: Represents a period of time in units of milliseconds.
      minimum: 0
      title: DurationMs
      type: integer
    Ipv4Addr:
      description: |
        string identifying a Ipv4 address formatted in the "dotted decimal" notation as defined in IETF RFC 1166.
      title: Ipv4Addr
      type: string
    Ipv6Addr:
      description: |
        string identifying a Ipv6 address formatted according to clause 4 in IETF RFC 5952. The mixed Ipv4 Ipv6 notation according to clause 5 of IETF RFC 5952 shall not be used.
      title: Ipv6Addr
      type: string
    Fqdn:
      description: Fully Qualified Domain Name
      maxLength: 253
      minLength: 4
      pattern: "^([0-9A-Za-z]([-0-9A-Za-z]{0,61}[0-9A-Za-z])?\\.)+[A-Za-z]{2,63}\\\
        .?$"
      title: Fqdn
      type: string
    Port:
      description: Unsigned integer with valid values between 0 and 65535.
      maximum: 65535
      minimum: 0
      title: Port
      type: integer
    OAuthGrantType:
      enum:
        - CLIENT_CREDENTIALS
        - AUTHORIZATION_CODE
        - AUTHORIZATION_CODE_WITH_PKCE
      type: string
      description: "Indicates the supported authorization flow (e.g. client credentials\
        \ flow, authorization code         flow, etc.) to the API invoker.  \nPossible\
        \ values are:\n- CLIENT_CREDENTIALS: Indicate that the grant type is is client\
        \ credentials flow.\n- AUTHORIZATION_CODE: Indicate that the grant type is\
        \ authorization code.\n- AUTHORIZATION_CODE_WITH_PKCE: Indicate that the grant\
        \ type is authorization code with PKCE.\n"
      title: OAuthGrantType
    Snssai:
      description: |
        When Snssai needs to be converted to string (e.g. when used in maps as key), the string shall be composed of one to three digits "sst" optionally followed by "-" and 6 hexadecimal digits "sd".
      example:
        sd: sd
        sst: 37
      properties:
        sst:
          description: "Unsigned integer, within the range 0 to 255, representing\
            \ the Slice/Service Type.  It indicates the expected Network Slice behaviour\
            \ in terms of features and services. Values 0 to 127 correspond to the\
            \ standardized SST range. Values 128 to 255 correspond  to the Operator-specific\
            \ range. See clause 28.4.2 of 3GPP TS 23.003. Standardized values are\
            \ defined in clause 5.15.2.2 of 3GPP TS 23.501. \n"
          maximum: 255
          minimum: 0
          title: sst
          type: integer
        sd:
          description: |
            3-octet string, representing the Slice Differentiator, in hexadecimal representation. Each character in the string shall take a value of "0" to "9", "a" to "f" or "A" to "F" and shall represent 4 bits. The most significant character representing the 4 most significant bits of the SD shall appear first in the string, and the character representing the 4 least significant bit of the SD shall appear last in the string. This is an optional parameter that complements the Slice/Service type(s) to allow to  differentiate amongst multiple Network Slices of the same Slice/Service type. This IE shall be absent if no SD value is associated with the SST.
          pattern: "^[A-Fa-f0-9]{6}$"
          title: sd
          type: string
      required:
      - sst
      title: Snssai
      type: object
    NsiId:
      description: Contains the Identifier of the selected Network Slice instance
      title: NsiId
      type: string