Get customAuthenticationExtension

Namespace: microsoft.graph

Read the properties and relationships of a customAuthenticationExtension object. The following derived types are currently supported.

• onTokenIssuanceStartCustomExtension resource type.

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.Read.All	CustomAuthenticationExtension.ReadWrite.All
Delegated (personal Microsoft account)	Not supported.	Not supported.
Application	CustomAuthenticationExtension.Read.All	CustomAuthenticationExtension.ReadWrite.All

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:

• Global Reader
• Authentication Extensibility Administrator
• Application Administrator

HTTP request

HTTP

GET /identity/customAuthenticationExtensions/{customAuthenticationExtensionId}

Optional query parameters

This method supports the $expand OData query parameters to help customize the response. For general information, see OData query parameters.

Request headers

Name	Description
Authorization	Bearer {token}. Required. Learn more about authentication and authorization.

Request body

Don't supply a request body for this method.

Response

If successful, this method returns a 200 OK response code and a customAuthenticationExtension object in the response body.

Examples

Request

The following example shows a request.

HTTP

HTTP

GET https://graph.microsoft.com/v1.0/identity/customAuthenticationExtensions/6fc5012e-7665-43d6-9708-4370863f4e6e

C#

C#

// Code snippets are only available for the latest version. Current version is 5.x

// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=csharp
var result = await graphClient.Identity.CustomAuthenticationExtensions["{customAuthenticationExtension-id}"].GetAsync();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

CLI

Bash

mgc identity custom-authentication-extensions get --custom-authentication-extension-id {customAuthenticationExtension-id}

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Go

Go

// Code snippets are only available for the latest major version. Current major version is $v1.*

// Dependencies
import (
	  "context"
	  msgraphsdk "github.com/microsoftgraph/msgraph-sdk-go"
	  //other-imports
)


// To initialize your graphClient, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=go
customAuthenticationExtensions, err := graphClient.Identity().CustomAuthenticationExtensions().ByCustomAuthenticationExtensionId("customAuthenticationExtension-id").Get(context.Background(), nil)

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Java

Java

// Code snippets are only available for the latest version. Current version is 6.x

GraphServiceClient graphClient = new GraphServiceClient(requestAdapter);

CustomAuthenticationExtension result = graphClient.identity().customAuthenticationExtensions().byCustomAuthenticationExtensionId("{customAuthenticationExtension-id}").get();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

JavaScript

JavaScript

const options = {
	authProvider,
};

const client = Client.init(options);

let customAuthenticationExtension = await client.api('/identity/customAuthenticationExtensions/6fc5012e-7665-43d6-9708-4370863f4e6e')
	.get();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

PHP

PHP

<?php
use Microsoft\Graph\GraphServiceClient;


$graphServiceClient = new GraphServiceClient($tokenRequestContext, $scopes);


$result = $graphServiceClient->identity()->customAuthenticationExtensions()->byCustomAuthenticationExtensionId('customAuthenticationExtension-id')->get()->wait();

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

PowerShell

PowerShell

Import-Module Microsoft.Graph.Identity.SignIns

Get-MgIdentityCustomAuthenticationExtension -CustomAuthenticationExtensionId $customAuthenticationExtensionId

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Python

Python

# Code snippets are only available for the latest version. Current version is 1.x
from msgraph import GraphServiceClient
# To initialize your graph_client, see https://learn.microsoft.com/en-us/graph/sdks/create-client?from=snippets&tabs=python

result = await graph_client.identity.custom_authentication_extensions.by_custom_authentication_extension_id('customAuthenticationExtension-id').get()

For details about how to add the SDK to your project and create an authProvider instance, see the SDK documentation.

Response

The following example shows the response.

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

HTTP

HTTP/1.1 200 OK
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"
    },
    "endpointConfiguration": {
        "@odata.type": "#microsoft.graph.httpRequestEndpoint",
        "targetUrl": "https://authenticationeventsAPI.contoso.com"
    },
    "claimsForTokenConfiguration": [
        {
            "claimIdInApiResponse": "DateOfBirth"
        },
        {
            "claimIdInApiResponse": "CustomRoles"
        }
    ]
}