static void Main(string[] args) { var hubConn = new HubConnection("http://localhost:7458/"); hubConn.Credentials = CredentialCache.DefaultNetworkCredentials; var msg = new NiCris.Web.ConsoleTester.Models.Message(); msg.Content = "Moo"; msg.Duration = 500; msg.Title = "Hello Title"; var hub = hubConn.CreateProxy("messenger"); hubConn.Start().Wait(); Object[] myData = { (Object)msg, "sourcing" }; hub.Invoke("broadCastMessage", myData); }