Microsoft Graph Oauth2 Permission Grants

openapi: 3.1.0
info:
  title: Microsoft Graph Oauth2permissiongrants
  description: Needs a description.
paths:
  /me/oauth2PermissionGrants:
    description: >-
      Provides operations to manage the oauth2PermissionGrants property of the
      microsoft.graph.user entity.
    get:
      tags:
        - me.oAuth2PermissionGrant
      summary: Microsoft Graph Get oauth2PermissionGrants from me
      operationId: me.ListOauth2PermissionGrants
      parameters:
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
        - $ref: '#/components/parameters/count'
        - name: $orderby
          in: query
          description: Order items by property values
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          $ref: >-
            #/components/responses/microsoft.graph.oAuth2PermissionGrantCollectionResponse
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-pageable:
        nextLinkName: '@odata.nextLink'
        operationName: listMore
      x-ms-docs-operation-type: operation
  /me/oauth2PermissionGrants/{oAuth2PermissionGrant-id}:
    description: >-
      Provides operations to manage the oauth2PermissionGrants property of the
      microsoft.graph.user entity.
    get:
      tags:
        - me.oAuth2PermissionGrant
      summary: Microsoft Graph Get oauth2PermissionGrants from me
      operationId: me.GetOauth2PermissionGrants
      parameters:
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          description: Retrieved navigation property
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: operation
    parameters:
      - name: oAuth2PermissionGrant-id
        in: path
        description: The unique identifier of oAuth2PermissionGrant
        required: true
        schema:
          type: string
        x-ms-docs-key-type: oAuth2PermissionGrant
  /me/oauth2PermissionGrants/$count:
    description: Provides operations to count the resources in the collection.
    get:
      tags:
        - me.oAuth2PermissionGrant
      summary: Microsoft Graph Get the number of the resource
      operationId: me.oauth2PermissionGrants.GetCount-2e61
      parameters:
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
      responses:
        2XX:
          $ref: '#/components/responses/ODataCountResponse'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
  /oauth2PermissionGrants:
    description: >-
      Provides operations to manage the collection of oAuth2PermissionGrant
      entities.
    get:
      tags:
        - oauth2PermissionGrants.oAuth2PermissionGrant
      summary: Microsoft Graph List oauth2PermissionGrants (delegated permission grants)
      description: >-
        Retrieve a list of oAuth2PermissionGrant objects, representing delegated
        permissions which have been granted for client applications to access
        APIs on behalf of signed-in users.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/oauth2permissiongrant-list?view=graph-rest-1.0
      operationId: oauth2PermissionGrants.oAuth2PermissionGrant.ListOAuth2PermissionGrant
      parameters:
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
        - $ref: '#/components/parameters/count'
        - name: $orderby
          in: query
          description: Order items by property values
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          $ref: >-
            #/components/responses/microsoft.graph.oAuth2PermissionGrantCollectionResponse
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-pageable:
        nextLinkName: '@odata.nextLink'
        operationName: listMore
      x-ms-docs-operation-type: operation
    post:
      tags:
        - oauth2PermissionGrants.oAuth2PermissionGrant
      summary: Microsoft Graph Create oAuth2PermissionGrant (a delegated permission grant)
      description: >-
        Create a delegated permission grant represented by an
        oAuth2PermissionGrant object. A delegated permission grant authorizes a
        client service principal (representing a client application) to access a
        resource service principal (representing an API), on behalf of a
        signed-in user, for the level of access limited by the delegated
        permissions which were granted.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/oauth2permissiongrant-post?view=graph-rest-1.0
      operationId: oauth2PermissionGrants.oAuth2PermissionGrant.CreateOAuth2PermissionGrant
      requestBody:
        description: New entity
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        required: true
      responses:
        2XX:
          description: Created entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: operation
  /oauth2PermissionGrants/{oAuth2PermissionGrant-id}:
    description: >-
      Provides operations to manage the collection of oAuth2PermissionGrant
      entities.
    get:
      tags:
        - oauth2PermissionGrants.oAuth2PermissionGrant
      summary: Microsoft Graph Get oAuth2PermissionGrant (a delegated permission grant)
      description: >-
        Retrieve the properties of a single delegated permission grant
        represented by an oAuth2PermissionGrant object. An oAuth2PermissionGrant
        represents delegated permissions which have been granted for a client
        application to access an API on behalf of a signed-in user.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/oauth2permissiongrant-get?view=graph-rest-1.0
      operationId: oauth2PermissionGrants.oAuth2PermissionGrant.GetOAuth2PermissionGrant
      parameters:
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          description: Retrieved entity
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: operation
    patch:
      tags:
        - oauth2PermissionGrants.oAuth2PermissionGrant
      summary: Microsoft Graph Update a delegated permission grant (oAuth2PermissionGrant)
      description: >-
        Update the properties of oAuth2PermissionGrant object, representing a
        delegated permission grant. An oAuth2PermissionGrant can be updated to
        change which delegated permissions are granted, by adding or removing
        items from the list in scopes.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/oauth2permissiongrant-update?view=graph-rest-1.0
      operationId: oauth2PermissionGrants.oAuth2PermissionGrant.UpdateOAuth2PermissionGrant
      requestBody:
        description: New property values
        content:
          application/json:
            schema:
              $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        required: true
      responses:
        2XX:
          description: Success
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: operation
    delete:
      tags:
        - oauth2PermissionGrants.oAuth2PermissionGrant
      summary: Microsoft Graph Delete oAuth2PermissionGrant (a delegated permission grant)
      description: >-
        Delete a delegated permission grant, represented by an
        oAuth2PermissionGrant object. When a delegated permission grant is
        deleted, the access it granted is revoked. Existing access tokens will
        continue to be valid for their lifetime, but new access tokens will not
        be granted for the delegated permissions identified in the deleted
        oAuth2PermissionGrant.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/oauth2permissiongrant-delete?view=graph-rest-1.0
      operationId: oauth2PermissionGrants.oAuth2PermissionGrant.DeleteOAuth2PermissionGrant
      parameters:
        - name: If-Match
          in: header
          description: ETag
          schema:
            type: string
      responses:
        '204':
          description: Success
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: operation
    parameters:
      - name: oAuth2PermissionGrant-id
        in: path
        description: The unique identifier of oAuth2PermissionGrant
        required: true
        schema:
          type: string
        x-ms-docs-key-type: oAuth2PermissionGrant
  /oauth2PermissionGrants/$count:
    description: Provides operations to count the resources in the collection.
    get:
      tags:
        - oauth2PermissionGrants.oAuth2PermissionGrant
      summary: Microsoft Graph Get the number of the resource
      operationId: oauth2PermissionGrants.GetCount-8287
      parameters:
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
      responses:
        2XX:
          $ref: '#/components/responses/ODataCountResponse'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
  /oauth2PermissionGrants/delta():
    description: Provides operations to call the delta method.
    get:
      tags:
        - oauth2PermissionGrants.oAuth2PermissionGrant.Functions
      summary: Microsoft Graph Invoke function delta
      description: >-
        Get newly created, updated, or deleted oauth2permissiongrant objects
        without performing a full read of the entire resource collection. For
        more information, see Use delta query to track changes in Microsoft
        Graph data for details.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/oauth2permissiongrant-delta?view=graph-rest-1.0
      operationId: oauth2PermissionGrants.delta
      parameters:
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
        - $ref: '#/components/parameters/count'
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $orderby
          in: query
          description: Order items by property values
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          description: Success
          content:
            application/json:
              schema:
                title: Collection of oAuth2PermissionGrant
                type: object
                allOf:
                  - $ref: '#/components/schemas/BaseDeltaFunctionResponse'
                  - type: object
                    properties:
                      value:
                        type: array
                        items:
                          $ref: >-
                            #/components/schemas/microsoft.graph.oAuth2PermissionGrant
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: function
      x-ms-pageable:
        nextLinkName: '@odata.nextLink'
        operationName: listMore
  /servicePrincipals/{servicePrincipal-id}/oauth2PermissionGrants:
    description: >-
      Provides operations to manage the oauth2PermissionGrants property of the
      microsoft.graph.servicePrincipal entity.
    get:
      tags:
        - servicePrincipals.oAuth2PermissionGrant
      summary: Microsoft Graph List oauth2PermissionGrants granted to a service principal
      description: >-
        Retrieve a list of oAuth2PermissionGrant entities, representing
        delegated permissions granted to the service principal (representing the
        client application) to access an API on behalf of a user.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/serviceprincipal-list-oauth2permissiongrants?view=graph-rest-1.0
      operationId: servicePrincipals.ListOauth2PermissionGrants
      parameters:
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
        - $ref: '#/components/parameters/count'
        - name: $orderby
          in: query
          description: Order items by property values
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          $ref: >-
            #/components/responses/microsoft.graph.oAuth2PermissionGrantCollectionResponse
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-pageable:
        nextLinkName: '@odata.nextLink'
        operationName: listMore
      x-ms-docs-operation-type: operation
    parameters:
      - name: servicePrincipal-id
        in: path
        description: The unique identifier of servicePrincipal
        required: true
        schema:
          type: string
        x-ms-docs-key-type: servicePrincipal
  /servicePrincipals/{servicePrincipal-id}/oauth2PermissionGrants/{oAuth2PermissionGrant-id}:
    description: >-
      Provides operations to manage the oauth2PermissionGrants property of the
      microsoft.graph.servicePrincipal entity.
    get:
      tags:
        - servicePrincipals.oAuth2PermissionGrant
      summary: Microsoft Graph Get oauth2PermissionGrants from servicePrincipals
      description: >-
        Delegated permission grants authorizing this service principal to access
        an API on behalf of a signed-in user. Read-only. Nullable.
      operationId: servicePrincipals.GetOauth2PermissionGrants
      parameters:
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          description: Retrieved navigation property
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: operation
    parameters:
      - name: servicePrincipal-id
        in: path
        description: The unique identifier of servicePrincipal
        required: true
        schema:
          type: string
        x-ms-docs-key-type: servicePrincipal
      - name: oAuth2PermissionGrant-id
        in: path
        description: The unique identifier of oAuth2PermissionGrant
        required: true
        schema:
          type: string
        x-ms-docs-key-type: oAuth2PermissionGrant
  /servicePrincipals/{servicePrincipal-id}/oauth2PermissionGrants/$count:
    description: Provides operations to count the resources in the collection.
    get:
      tags:
        - servicePrincipals.oAuth2PermissionGrant
      summary: Microsoft Graph Get the number of the resource
      operationId: servicePrincipals.oauth2PermissionGrants.GetCount-f9dc
      parameters:
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
      responses:
        2XX:
          $ref: '#/components/responses/ODataCountResponse'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
    parameters:
      - name: servicePrincipal-id
        in: path
        description: The unique identifier of servicePrincipal
        required: true
        schema:
          type: string
        x-ms-docs-key-type: servicePrincipal
  /users/{user-id}/oauth2PermissionGrants:
    description: >-
      Provides operations to manage the oauth2PermissionGrants property of the
      microsoft.graph.user entity.
    get:
      tags:
        - users.oAuth2PermissionGrant
      summary: Microsoft Graph List a user's oauth2PermissionGrants
      description: >-
        Retrieve a list of oAuth2PermissionGrant entities, which represent
        delegated permissions granted to enable a client application to access
        an API on behalf of the user.
      externalDocs:
        description: Find more info here
        url: >-
          https://learn.microsoft.com/graph/api/user-list-oauth2permissiongrants?view=graph-rest-1.0
      operationId: users.ListOauth2PermissionGrants
      parameters:
        - $ref: '#/components/parameters/top'
        - $ref: '#/components/parameters/skip'
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
        - $ref: '#/components/parameters/count'
        - name: $orderby
          in: query
          description: Order items by property values
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          $ref: >-
            #/components/responses/microsoft.graph.oAuth2PermissionGrantCollectionResponse
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-pageable:
        nextLinkName: '@odata.nextLink'
        operationName: listMore
      x-ms-docs-operation-type: operation
    parameters:
      - name: user-id
        in: path
        description: The unique identifier of user
        required: true
        schema:
          type: string
        x-ms-docs-key-type: user
  /users/{user-id}/oauth2PermissionGrants/{oAuth2PermissionGrant-id}:
    description: >-
      Provides operations to manage the oauth2PermissionGrants property of the
      microsoft.graph.user entity.
    get:
      tags:
        - users.oAuth2PermissionGrant
      summary: Microsoft Graph Get oauth2PermissionGrants from users
      operationId: users.GetOauth2PermissionGrants
      parameters:
        - name: $select
          in: query
          description: Select properties to be returned
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
        - name: $expand
          in: query
          description: Expand related entities
          style: form
          explode: false
          schema:
            uniqueItems: true
            type: array
            items:
              type: string
      responses:
        2XX:
          description: Retrieved navigation property
          content:
            application/json:
              schema:
                $ref: '#/components/schemas/microsoft.graph.oAuth2PermissionGrant'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
      x-ms-docs-operation-type: operation
    parameters:
      - name: user-id
        in: path
        description: The unique identifier of user
        required: true
        schema:
          type: string
        x-ms-docs-key-type: user
      - name: oAuth2PermissionGrant-id
        in: path
        description: The unique identifier of oAuth2PermissionGrant
        required: true
        schema:
          type: string
        x-ms-docs-key-type: oAuth2PermissionGrant
  /users/{user-id}/oauth2PermissionGrants/$count:
    description: Provides operations to count the resources in the collection.
    get:
      tags:
        - users.oAuth2PermissionGrant
      summary: Microsoft Graph Get the number of the resource
      operationId: users.oauth2PermissionGrants.GetCount-fb7b
      parameters:
        - $ref: '#/components/parameters/search'
        - $ref: '#/components/parameters/filter'
      responses:
        2XX:
          $ref: '#/components/responses/ODataCountResponse'
        4XX:
          $ref: '#/components/responses/error'
        5XX:
          $ref: '#/components/responses/error'
    parameters:
      - name: user-id
        in: path
        description: The unique identifier of user
        required: true
        schema:
          type: string
        x-ms-docs-key-type: user
components:
  schemas:
    microsoft.graph.oAuth2PermissionGrant:
      allOf:
        - $ref: '#/components/schemas/microsoft.graph.entity'
        - title: oAuth2PermissionGrant
          required:
            - '@odata.type'
          type: object
          properties:
            clientId:
              type: string
              description: >-
                The object id (not appId) of the client service principal for
                the application that's authorized to act on behalf of a
                signed-in user when accessing an API. Required. Supports $filter
                (eq only).
            consentType:
              type: string
              description: >-
                Indicates if authorization is granted for the client application
                to impersonate all users or only a specific user. AllPrincipals
                indicates authorization to impersonate all users. Principal
                indicates authorization to impersonate a specific user. Consent
                on behalf of all users can be granted by an administrator.
                Nonadmin users might be authorized to consent on behalf of
                themselves in some cases, for some delegated permissions.
                Required. Supports $filter (eq only).
              nullable: true
            principalId:
              type: string
              description: >-
                The id of the user on behalf of whom the client is authorized to
                access the resource, when consentType is Principal. If
                consentType is AllPrincipals this value is null. Required when
                consentType is Principal. Supports $filter (eq only).
              nullable: true
            resourceId:
              type: string
              description: >-
                The id of the resource service principal to which access is
                authorized. This identifies the API that the client is
                authorized to attempt to call on behalf of a signed-in user.
                Supports $filter (eq only).
            scope:
              type: string
              description: >-
                A space-separated list of the claim values for delegated
                permissions that should be included in access tokens for the
                resource application (the API). For example, openid User.Read
                GroupMember.Read.All. Each claim value should match the value
                field of one of the delegated permissions defined by the API,
                listed in the oauth2PermissionScopes property of the resource
                service principal. Must not exceed 3,850 characters in length.
              nullable: true
            '@odata.type':
              type: string
      x-ms-discriminator-value: '#microsoft.graph.oAuth2PermissionGrant'
    BaseDeltaFunctionResponse:
      title: Base delta function response
      type: object
      properties:
        '@odata.nextLink':
          type: string
          nullable: true
        '@odata.deltaLink':
          type: string
          nullable: true
  parameters:
    top:
      name: $top
      in: query
      description: Show only the first n items
      style: form
      explode: false
      schema:
        minimum: 0
        type: integer
      example: 50
    skip:
      name: $skip
      in: query
      description: Skip the first n items
      style: form
      explode: false
      schema:
        minimum: 0
        type: integer
    search:
      name: $search
      in: query
      description: Search items by search phrases
      style: form
      explode: false
      schema:
        type: string
    filter:
      name: $filter
      in: query
      description: Filter items by property values
      style: form
      explode: false
      schema:
        type: string
    count:
      name: $count
      in: query
      description: Include count of items
      style: form
      explode: false
      schema:
        type: boolean
  examples: {}
  responses:
    error:
      description: error
      content:
        application/json:
          schema:
            $ref: '#/components/schemas/microsoft.graph.ODataErrors.ODataError'
    ODataCountResponse:
      description: The count of the resource
      content:
        text/plain:
          schema:
            $ref: '#/components/schemas/ODataCountResponse'
tags:
  - name: me.oAuth2PermissionGrant
  - name: oauth2PermissionGrants.oAuth2PermissionGrant
  - name: oauth2PermissionGrants.oAuth2PermissionGrant.Functions
  - name: servicePrincipals.oAuth2PermissionGrant
  - name: users.oAuth2PermissionGrant