Add entry to the expanded Endpoint metadata sample

README.md

@@ -1,4 +1,4 @@
-# 241 samples for ASP.NET Core 2.1, 2.2 and 3.0-preview-5 fundamentals (updated almost daily - except during Summer)
+# 242 samples for ASP.NET Core 2.1, 2.2 and 3.0-preview-5 fundamentals (updated almost daily - except during Summer)
 
 If you are studying ASP.NET Core, I am lurking on this **[Gitter Channel](https://gitter.im/DotNetStudyGroup/aspnetcore)**.
 
@@ -17,7 +17,7 @@ ASP.NET Core API Browser is also very [handy](https://docs.microsoft.com/en-us/d
 
 | Section | No. of Samples  | .NET Core SDK Version |
 | ------- | ------- | ------- |
-| [ASP.NET Core 3.0](/projects/3-0) | 14 | 3.0-preview-5  |
+| [ASP.NET Core 3.0](/projects/3-0) | 15 | 3.0-preview-5  |
 | [Blazor Server Side](/projects/blazor-ss) | 5 | 3.0-preview-5  |
 | [Blazor Client Side (Web Assembly)](/projects/blazor/README.md) | 12 | 3.0-preview-5  |
 | [ASP.NET Core MVC](/projects/mvc/README.md) | 43 | 2.1 |

projects/3-0/README.md

@@ -1,4 +1,4 @@
-# .NET Core 3.0 Preview 5 (14)
+# .NET Core 3.0 Preview 5 (15)
 
 All the samples here rely on ASP.NET Core 3.0 Preview 5. Make sure you download the SDK [here](https://dotnet.microsoft.com/download/dotnet-core/3.0).
 
@@ -105,4 +105,8 @@ The official migration guide from 2.2 to 3.0 is [here](https://docs.microsoft.co
 
 * [New Routing - How to obtain metadata in an Endpoint from a Razor page](/projects/3-0/new-routing-11)
 
-  Use the brand new `EndPoint.Metadata.GetMetadata<>()` to get values from attributes at your Razor Page.
+  Use the brand new `EndPoint.Metadata.GetMetadata<>()` to get values from attributes at your Razor Page.
+
+* [New Routing - Obtaining an Endpoint metadata from your Razor Page depending on the request method](/projects/3-0/new-routing-12)
+
+  Unlike in MVC, you can't use `Attribute` from the method of a Razor Page. You can only use it from the Model class. This makes getting obtaining the appropriate metadata for each request require an extra step.