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Revise IAuthorizationRequirementData article details #37347

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3d87d2c
Revise IAuthorizationRequirementData article details
guardrex Jul 17, 2026
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Update IAuthorizationRequirementData support information
guardrex Jul 17, 2026
ed060fb
Update article on IAuthorizationRequirementData support
guardrex Jul 17, 2026
9cee6de
Fix typo in authorization policies documentation
guardrex Jul 17, 2026
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14 changes: 11 additions & 3 deletions ...thorization/custom-authorization-policies-with-iauthorizationrequirementdata.md
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Expand Up @@ -5,18 +5,26 @@ author: tdykstra
description: Learn how to specify requirements associated with the authorization policy in attribute definitions with the IAuthorizationRequirementData interface.
monikerRange: '>= aspnetcore-8.0'
ms.author: tdykstra
ms.date: 03/11/2026
ms.date: 07/17/2026
uid: security/authorization/iard
---
# Custom authorization policies with `IAuthorizationRequirementData`

Use the <xref:Microsoft.AspNetCore.Authorization.IAuthorizationRequirementData> interface to specify requirements associated with the authorization policy in attribute definitions.

This article uses a [Minimal API](xref:fundamentals/minimal-apis) endpoint within the app and focuses on testing JWT-based authorization. For a demonstration of similar guidance in an MVC app with a controller, see the <xref:mvc/security/authorization/iard>.
This article uses a [Minimal API](xref:fundamentals/minimal-apis) endpoint within a Blazor Web App and focuses on testing JWT-based authorization.

<xref:Microsoft.AspNetCore.Authorization.IAuthorizationRequirementData> isn't supported for authorization attributes applied to:

* Razor components
* SignalR hub classes and methods
* <xref:Microsoft.AspNetCore.Mvc.Authorization.AuthorizeFilter>s in MVC and Razor Pages

For a demonstration in an MVC app with a controller and an <xref:Microsoft.AspNetCore.Authorization.AuthorizationHandler%601>, see the <xref:mvc/security/authorization/iard>.

## Sample app

The Blazor Web App sample for this article is the [`AuthRequirementsDataBWA` sample app (`dotnet/AspNetCore.Docs.Samples` GitHub repository)](https://github.com/dotnet/AspNetCore.Docs.Samples/tree/main/security/authorization/AuthRequirementsDataBWA) ([how to download](xref:index#how-to-download-a-sample)). The sample app implements a minimum age handler for users, requiring a user to present a birth date claim indicating that they're at least 21 years old.
The Blazor Web App sample for this article is the [`AuthRequirementsDataBWA` sample app (`dotnet/AspNetCore.Docs.Samples` GitHub repository)](https://github.com/dotnet/AspNetCore.Docs.Samples/tree/main/security/authorization/AuthRequirementsDataBWA) ([how to download](xref:index#how-to-download-a-sample)). The sample app implements a minimum age handler for users accessing a Minimal API endpoint at `/api/greetings/hello`, requiring a user to present a birth date claim indicating that they're at least 21 years old.

## Minimum age authorize attribute

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