diff --git a/samples/Aliencube.AzureFunctions.FunctionApp.Models/DummyStringModel.cs b/samples/Aliencube.AzureFunctions.FunctionApp.Models/DummyStringModel.cs
index 338fc53..22074f8 100644
--- a/samples/Aliencube.AzureFunctions.FunctionApp.Models/DummyStringModel.cs
+++ b/samples/Aliencube.AzureFunctions.FunctionApp.Models/DummyStringModel.cs
@@ -1,7 +1,11 @@
+using System;
+
 namespace Aliencube.AzureFunctions.FunctionApp.Models
 {
     public class DummyStringModel
     {
         public string StringValue { get; set; }
+
+        public Uri UriValue { get; set; }
     }
 }