Client udp service

Example.Shared/IPrinter.cs

@@ -13,5 +13,7 @@ namespace Example.Shared
         string GetName();
         Task<IPage> Print(string text, bool someParameter, RequestContext context, CancellationToken cancellationToken);
         event Action<IPage, RequestContext> OnPrint;
+        [Untrusted]
+        Task SomeoneIsApproaching(string humanName);
     }
 }