https://learn.microsoft.com/en-us/answers/questions/1292111/app-service-authentication-aad-automatically-creat

Now there is, in Preview: https://devblogs.microsoft.com/identity/bicep-templates-for-microsoft-graph-resources/ https://github.com/microsoftgraph/msgraph-bicep-types/tree/main/quickstart-templates Quite a bit of documentation missing, but it's a matter of time now.