CustomAuthenticationExtension.Read.All
Allows the app to read your organization's custom authentication extensions without a signed-in user.
In short
CustomAuthenticationExtension.Read.All is available as both an application permission and a delegated permission in the Microsoft Graph API, grouped under the CustomAuthenticationExtension category. Allows the app to read your organization's custom authentication extensions without a signed-in user. It grants read-only access to resources. Application permissions always require admin consent.
Permission Details
Read all custom authentication extensions
Allows the app to read your organization's custom authentication extensions without a signed-in user.
88bb2658-5d9e-454f-aacd-a3933e079526
Read your organization's custom authentication extensions
Allows the app to read your organization's custom authentication extensions on behalf of the signed-in user.
b2052569-c98c-4f36-a5fb-43e5c111e6d0
Properties
Properties is shown from stable Microsoft Graph v1.0 metadata.
| Property | Type | Description |
|---|---|---|
authenticationConfiguration |
customExtensionAuthenticationConfiguration |
The authentication configuration for the customAuthenticationExtension. Inherited from customCalloutExtension. |
behaviorOnError |
customExtensionBehaviorOnError |
The behaviour on error for the custom authentication extension. |
clientConfiguration |
customExtensionClientConfiguration |
The connection settings for the customAuthenticationExtension. Inherited from customCalloutExtension. |
description |
StringNullable |
The description of the customAuthenticationExtension. Inherited from customCalloutExtension. |
displayName |
StringNullable |
The display name for the customAuthenticationExtension. Inherited from customCalloutExtension. |
endpointConfiguration |
customExtensionEndpointConfiguration |
The HTTP endpoint that this custom extension calls. Inherited from customCalloutExtension. |
id |
String |
Identifier for the customAuthenticationExtension. Inherited from entity. |
JSON Representation
JSON representation is shown from stable Microsoft Graph v1.0 metadata.
{
"@odata.type": "#microsoft.graph.customAuthenticationExtension",
"id": "String (identifier)",
"authenticationConfiguration": {
"@odata.type": "microsoft.graph.customExtensionAuthenticationConfiguration"
},
"clientConfiguration": {
"@odata.type": "microsoft.graph.customExtensionClientConfiguration"
},
"description": "String",
"displayName": "String",
"endpointConfiguration": {
"@odata.type": "microsoft.graph.customExtensionEndpointConfiguration"
},
"behaviorOnError": {
"@odata.type": "microsoft.graph.customExtensionBehaviorOnError"
}
}Relationships
Relationships metadata is not available for this permission mapping.
View resource documentationGraph Methods
Microsoft Graph v1.0 endpoints are mapped directly from refreshed Microsoft Learn permissions tables.
Microsoft Graph beta endpoints are mapped directly from refreshed Microsoft Learn permissions tables.
Microsoft Graph PowerShell v1.0 commands are mapped directly from refreshed Microsoft Learn PowerShell snippets.
Microsoft Graph PowerShell beta commands are mapped directly from refreshed Microsoft Learn PowerShell snippets.
Code Examples
// 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}"].ValidateAuthenticationConfiguration.PostAsync();const options = {
authProvider,
};
const client = Client.init(options);
await client.api('/identity/customAuthenticationExtensions/9f39f3bb-457c-4a2a-8099-0e480e7ea142/validateAuthenticationConfiguration')
.post();Import-Module Microsoft.Graph.Identity.SignIns
Test-MgIdentityCustomAuthenticationExtensionAuthenticationConfiguration -CustomAuthenticationExtensionId $customAuthenticationExtensionId# 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').validate_authentication_configuration.post()App Registration
Navigate to Azure Portal
Go to App registrations in Microsoft Entra admin center
Add API Permission
Select your app → API permissions → Add a permission → Microsoft Graph
Select Permission Type
Choose Application permissions or delegated permissions and search for CustomAuthenticationExtension.Read.All
Grant Admin Consent
Application permissions always require admin consent.
Frequently asked questions
What is the CustomAuthenticationExtension.Read.All Microsoft Graph permission?
CustomAuthenticationExtension.Read.All is available as both an application permission and a delegated permission in the Microsoft Graph API, grouped under the CustomAuthenticationExtension category. Allows the app to read your organization's custom authentication extensions without a signed-in user. It grants read-only access to resources. Application permissions always require admin consent. It is mapped to the Microsoft Graph customauthenticationextension resource type. 8 documented Microsoft Graph REST methods require it. 6 Microsoft Graph PowerShell commands are documented for it.
Is CustomAuthenticationExtension.Read.All an application or a delegated permission?
CustomAuthenticationExtension.Read.All is available as both an application permission (app-only access, no signed-in user) and a delegated permission (access on behalf of a signed-in user).
Does CustomAuthenticationExtension.Read.All require admin consent?
Application permissions always require admin consent.
What is the permission ID (GUID) for CustomAuthenticationExtension.Read.All?
For CustomAuthenticationExtension.Read.All, the application (app role) ID is 88bb2658-5d9e-454f-aacd-a3933e079526, and the delegated (OAuth2 scope) ID is b2052569-c98c-4f36-a5fb-43e5c111e6d0. These are the real Microsoft Graph identifiers and can be used directly in an app registration manifest.