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Create customAuthenticationExtension

Namespace: microsoft.graph

Create a new customAuthenticationExtension object. The following derived types are currently supported.

This API is available in the following national cloud deployments.

Global service US Government L4 US Government L5 (DOD) China operated by 21Vianet

Permissions

Choose the permission or permissions marked as least privileged for this API. Use a higher privileged permission or permissions only if your app requires it. For details about delegated and application permissions, see Permission types. To learn more about these permissions, see the permissions reference.

Permission type Least privileged permissions Higher privileged permissions
Delegated (work or school account) CustomAuthenticationExtension.ReadWrite.All Not available.
Delegated (personal Microsoft account) Not supported. Not supported.
Application CustomAuthenticationExtension.ReadWrite.All Not available.

Important

In delegated scenarios with work or school accounts, the admin must be assigned a supported Microsoft Entra role or a custom role with a supported role permission. The following least privileged roles are supported for this operation:

  • Authentication Extensibility Administrator
  • Application Administrator

HTTP request

POST /identity/customAuthenticationExtensions

Request headers

Name Description
Authorization Bearer {token}. Required. Learn more about authentication and authorization.
Content-Type application/json. Required.

Request body

In the request body, supply a JSON representation of the customAuthenticationExtension object.

You can specify the following properties when creating a customAuthenticationExtension. You must specify the @odata.type property with a value of the customAuthenticationExtension object type that you want to create. For example, to create an onTokenIssuanceStartCustomExtension object, set @odata.type to #microsoft.graph.onTokenIssuanceStartCustomExtension.

Property Type Description
authenticationConfiguration customExtensionAuthenticationConfiguration The authentication configuration for this custom extension. Required.
claimsForTokenConfiguration onTokenIssuanceStartReturnClaim collection Collection of claims to be returned by the API called by this custom authentication extension. Can be set for onTokenIssuanceStartCustomExtension object only. Used to populate claims mapping experience in Microsoft Entra admin center. Optional.
clientConfiguration customExtensionClientConfiguration The connection settings for the custom extension. Optional.
description String Description for the custom extension. Optional.
displayName String Display name for the custom extension. Required.
endpointConfiguration customExtensionEndpointConfiguration Configuration for the API endpoint that the custom extension will call. Required.

Response

If successful, this method returns a 201 Created response code and a customAuthenticationExtension object in the response body.

Examples

Request

The following example shows a request.

POST https://graph.microsoft.com/v1.0/identity/customAuthenticationExtensions
Content-Type: application/json
Content-length: 468

{
    "@odata.type": "#microsoft.graph.onTokenIssuanceStartCustomExtension",
    "displayName": "onTokenIssuanceStartCustomExtension",
    "description": "Fetch additional claims from custom user store",
    "endpointConfiguration": {
        "@odata.type": "#microsoft.graph.httpRequestEndpoint",
        "targetUrl": "https://authenticationeventsAPI.contoso.com"
    },
    "authenticationConfiguration": {
        "@odata.type": "#microsoft.graph.azureAdTokenAuthentication",
        "resourceId": "api://authenticationeventsAPI.contoso.com/a13d0fc1-04ab-4ede-b215-63de0174cbb4"
    },
    "clientConfiguration": {
        "timeoutInMilliseconds": 2000,
        "maximumRetries": 1
    },
    "claimsForTokenConfiguration": [
        {
            "claimIdInApiResponse": "DateOfBirth"
        },
        {
            "claimIdInApiResponse": "CustomRoles"
        }
    ]
}

Response

The following example shows the response.

Note: The response object shown here might be shortened for readability.

HTTP/1.1 201 Created
Content-Type: application/json

{
    "@odata.context": "https://graph.microsoft.com/v1.0/$metadata#identity/customAuthenticationExtensions/$entity",
    "@odata.type": "#microsoft.graph.onTokenIssuanceStartCustomExtension",
    "id": "6fc5012e-7665-43d6-9708-4370863f4e6e",
    "displayName": "onTokenIssuanceStartCustomExtension",
    "description": "Fetch additional claims from custom user store",
    "clientConfiguration": null,
    "authenticationConfiguration": {
        "@odata.type": "#microsoft.graph.azureAdTokenAuthentication",
        "resourceId": "api://authenticationeventsAPI.contoso.com/a13d0fc1-04ab-4ede-b215-63de0174cbb4"
    },
    "clientConfiguration": {
        "timeoutInMilliseconds": 2000,
        "maximumRetries": 1
    },
    "endpointConfiguration": {
        "@odata.type": "#microsoft.graph.httpRequestEndpoint",
        "targetUrl": "https://authenticationeventsAPI.contoso.com"
    },
    "claimsForTokenConfiguration": [
        {
            "claimIdInApiResponse": "DateOfBirth"
        },
        {
            "claimIdInApiResponse": "CustomRoles"
        }
    ]
}