From 893c2a99bee5a80b7dc2c804d442bf5387545009 Mon Sep 17 00:00:00 2001
From: Shannon <sdeminick@gmail.com>
Date: Thu, 8 Sep 2016 09:30:13 +0200
Subject: [PATCH] adds some comments

---
 .../Identity/AuthenticationOptionsExtensions.cs       | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/Umbraco.Web/Security/Identity/AuthenticationOptionsExtensions.cs b/src/Umbraco.Web/Security/Identity/AuthenticationOptionsExtensions.cs
index 7074a6db9f..76c06fbac2 100644
--- a/src/Umbraco.Web/Security/Identity/AuthenticationOptionsExtensions.cs
+++ b/src/Umbraco.Web/Security/Identity/AuthenticationOptionsExtensions.cs
@@ -8,7 +8,16 @@ namespace Umbraco.Web.Security.Identity
 {
     public static class AuthenticationOptionsExtensions
     {
-     
+
+        /// <summary>
+        /// When trying to implement an Azure AD B2C provider or other OAuth provider that requires a customized Challenge Result in order to work then
+        /// this must be used.
+        /// </summary>
+        /// <param name="authOptions"></param>
+        /// <param name="authProperties"></param>
+        /// <remarks>
+        /// See: http://issues.umbraco.org/issue/U4-7353
+        /// </remarks>
         public static void SetSignInChallengeResultCallback(
             this AuthenticationOptions authOptions,
             Func<IOwinContext, AuthenticationProperties> authProperties)