re-add removed comment

Author: jennyf19

5-WebApp-AuthZ/5-2-Groups/Startup.cs

@@ -38,6 +38,16 @@ public void ConfigureServices(IServiceCollection services)
             // Sign-in users with the Microsoft identity platform
             services.AddMicrosoftWebAppAuthentication(Configuration)
                     .AddMicrosoftWebAppCallsWebApi(Configuration, new string[] { "User.Read", "Directory.Read.All" })
+
+                    // If you want to use group ids/names in the Authorize attribute then uncomment the following lines:
+            //services.Configure<OpenIdConnectOptions>(options =>
+            //        {
+            //            // Uncomment the following lines code instruct the asp.net core middleware to use the data in the "groups" claim in the [Authorize] attribute and for User.IsInrole()	
+            //            // See https://docs.microsoft.com/en-us/aspnet/core/security/authorization/roles for more info.	
+            //            // Use the groups claim for populating roles	
+            //            options.TokenValidationParameters.RoleClaimType = "groups";
+            //        })
+
                     .AddInMemoryTokenCaches();
 
             services.AddMSGraphService(Configuration);