Discover how the custom claims feature, now available in public preview for Native Authentication on Microsoft Entra External ID, enhances your app's authentication process. This new capability allows you to tailor app behavior, based on specific user data, by allowing apps to dynamically add custom claims to authentication tokens via a custom claims provider during user sign-up or sign-in.


원문출처 : https://devblogs.microsoft.com/identity/custom-claims-on-native-auth