# Microsoft.AspNetCore.Mvc.RazorPages

``` diff
 namespace Microsoft.AspNetCore.Mvc.RazorPages {
     public abstract class PageBase : RazorPageBase {
+        public IModelMetadataProvider MetadataProvider { get; set; }
     }
     public abstract class PageModel : IAsyncPageFilter, IFilterMetadata, IPageFilter {
+        public IModelMetadataProvider MetadataProvider { get; set; }
     }
 }
```

