diff --git a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Controls/ExtendedListView.cs b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Controls/ExtendedListView.cs
new file mode 100644
index 00000000..02e2ff86
--- /dev/null
+++ b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Controls/ExtendedListView.cs
@@ -0,0 +1,63 @@
+using O2NextGen.SmallTalk.Core.ViewModels;
+using System;
+using System.Linq;
+using Xamarin.Forms;
+
+namespace O2NextGen.SmallTalk.Core.Controls
+{
+    public class ExtendedListView : ListView
+    {
+        public ExtendedListView() : this(ListViewCachingStrategy.RecycleElement)
+        {
+        }
+
+        public ExtendedListView(ListViewCachingStrategy cachingStrategy) : base(cachingStrategy)
+        {
+            //this.ItemAppearing += OnItemAppearing;
+            this.PropertyChanged += ExtendedListView_PropertyChanged;
+        }
+
+        private void ExtendedListView_PropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs e)
+        {
+            if (this.BindingContext == null)
+                return;
+            var context = this.BindingContext as ChatDetailViewModel;
+            if (context.Messages == null) return;
+            //GET SCROLL CURRENT POSITION HERE!
+            var target = context.Messages[context.Messages.Count - 1];
+
+            ScrollTo(target, ScrollToPosition.End, true);
+        }
+
+        //private void OnItemAppearing(object sender, ItemVisibilityEventArgs e)
+        //{
+        //    if (ItemAppearingCommand != null)
+        //    {
+        //        ItemAppearingCommand?.Execute(e.Item);
+        //    }
+        //}
+        public void ScrollToLast()
+        {
+            Device.BeginInvokeOnMainThread(() =>
+            {
+                try
+                {
+                    if (ItemsSource != null && ItemsSource.Cast<object>().Count() > 0)
+                    {
+                        var msg = ItemsSource.Cast<object>().LastOrDefault();
+                        if (msg != null)
+                        {
+                            ScrollTo(msg, ScrollToPosition.End, false);
+                        }
+
+                    }
+                }
+                catch (Exception ex)
+                {
+                    System.Diagnostics.Debug.WriteLine(ex.ToString());
+                }
+
+            });
+        }
+    }
+}
diff --git a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/GlobalSetting.cs b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/GlobalSetting.cs
index d8af2d53..ddf15ef9 100644
--- a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/GlobalSetting.cs
+++ b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/GlobalSetting.cs
@@ -4,6 +4,6 @@ public class GlobalSetting
     {
         public string GatewayChatEndpoint { get; set; } = "https://api-smalltalk.o2bus.com";
         public static GlobalSetting Instance { get; } = new GlobalSetting();
-        public string HubConnectionURL { get; set; } = "http://localhost:5000/chathub";
+        public string HubConnectionURL { get; set; } = "https://signalr.o2bus.com/chathub";// "http://localhost:5000/chathub"; //
     }
 }
diff --git a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/ViewModels/ChatDetailViewModel.cs b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/ViewModels/ChatDetailViewModel.cs
index 313161c7..bcfbd4ee 100644
--- a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/ViewModels/ChatDetailViewModel.cs
+++ b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/ViewModels/ChatDetailViewModel.cs
@@ -23,7 +23,7 @@ public class ChatDetailViewModel : ViewModelBase
 
         #region Commands
         public ICommand SendMsgCommand { get; private set; }
-
+        public ICommand LoadItemsCommand { get; private set; }
         private readonly HubConnection hubConnection;
         #endregion
 
@@ -38,7 +38,7 @@ public ChatDetailViewModel()
             this.MultipleInitialization = true;
             _chatService = DependencyService.Get<IChatService>();
             SendMsgCommand = new Command(async (item) => await SendMsgAsync());
-
+            LoadItemsCommand = new Command(async () => await RelaodData());
             hubConnection = new HubConnectionBuilder()
                  .WithUrl(GlobalSetting.Instance.HubConnectionURL)
                  .Build();
@@ -84,11 +84,9 @@ public string Message
         #region Methods
         public override async Task InitializeAsync(IDictionary<string, string> query)
         {
-           
-           
             await hubConnection.StartAsync();
             await hubConnection.InvokeAsync("NewUserAsync","Denis");
-
+            await RelaodData();
         }
 
         private async Task SendMsgAsync()
diff --git a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml
index e59d17b9..5718eb8e 100644
--- a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml
+++ b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml
@@ -6,7 +6,7 @@
              x:Class="O2NextGen.SmallTalk.Core.Views.ChatDetailView"
               xmlns:viewModelBase="clr-namespace:O2NextGen.SmallTalk.Core.ViewModels.Base" 
              xmlns:viewmodels="clr-namespace:O2NextGen.SmallTalk.Core.ViewModels" 
-             xmlns:smalltalk="clr-namespace:O2NextGen.Sdk.NetCore.Models.smalltalk;assembly=O2NextGen.Sdk.Models" xmlns:converter="clr-namespace:O2NextGen.SmallTalk.Core.Converters"
+             xmlns:smalltalk="clr-namespace:O2NextGen.Sdk.NetCore.Models.smalltalk;assembly=O2NextGen.Sdk.Models" xmlns:converter="clr-namespace:O2NextGen.SmallTalk.Core.Converters" xmlns:controls="clr-namespace:O2NextGen.SmallTalk.Core.Controls"
     viewModelBase:ViewModelLocator.AutoWireViewModel="true"
              x:DataType="viewmodels:ChatDetailViewModel">
     <ContentPage.Resources>
@@ -19,9 +19,9 @@
             <Label Text="Welcome to Xamarin.Forms!"
                 VerticalOptions="CenterAndExpand" 
                 HorizontalOptions="CenterAndExpand" />
-            <ListView ItemsSource="{Binding Messages}" SeparatorVisibility="None" 
+            <controls:ExtendedListView ItemsSource="{Binding Messages}" SeparatorVisibility="None" x:Name="ItemsListView"
                   HasUnevenRows="True">
-                <ListView.ItemTemplate>
+                <controls:ExtendedListView.ItemTemplate>
                     <DataTemplate x:DataType="smalltalk:ChatMessage">
                         <ViewCell>
                             <Grid RowDefinitions="auto,auto">
@@ -60,8 +60,8 @@
                             </Grid>
                         </ViewCell>
                     </DataTemplate>
-                </ListView.ItemTemplate>
-            </ListView>
+                </controls:ExtendedListView.ItemTemplate>
+            </controls:ExtendedListView>
             <StackLayout Grid.Row="1"
                      Orientation="Horizontal">
                 <Entry Text="{Binding Message}"
diff --git a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml.cs b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml.cs
index 7e6a1fdf..7d17d2c4 100644
--- a/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml.cs
+++ b/src/MobileApps/Small-Talk/O2NextGen.SmallTalk/O2NextGen.SmallTalk/Views/ChatDetailView.xaml.cs
@@ -1,4 +1,7 @@
-namespace O2NextGen.SmallTalk.Core.Views
+using O2NextGen.SmallTalk.Core.ViewModels;
+using Xamarin.Forms;
+
+namespace O2NextGen.SmallTalk.Core.Views
 {
 
     public partial class ChatDetailView : ContentPageBase
@@ -7,5 +10,43 @@ public ChatDetailView()
         {
             InitializeComponent();
         }
+
+        //protected override void OnBindingContextChanged()
+        //{
+        //    base.OnBindingContextChanged();
+        //    if (this.BindingContext == null)
+        //        return;
+        //    var context = this.BindingContext as ChatDetailViewModel;
+        //    //if (context.Messages.Count == 0)
+        //    //{
+        //    //    context.LoadItemsCommand.Execute(null);
+        //    //}
+        //    if (context.Messages == null)
+        //        return;
+        //    context.Messages.CollectionChanged += (sender, e) =>
+        //    {
+        //        //GET SCROLL CURRENT POSITION HERE!
+        //        var target = context.Messages[context.Messages.Count - 1];
+
+        //        ItemsListView.ScrollTo(target, ScrollToPosition.End, false);
+        //    };
+        //}
+        protected override void OnAppearing()
+        {
+            base.OnAppearing();
+            //if (this.BindingContext == null)
+            //    return;
+            //var context = this.BindingContext as ChatDetailViewModel;
+            //context.PropertyChanged += (sender, e) =>
+            //{
+            //    if (context.Messages == null)
+            //        return;
+            //    //GET SCROLL CURRENT POSITION HERE!
+            //    var target = context.Messages[context.Messages.Count - 1];
+
+            //    ItemsListView.ScrollTo(target, ScrollToPosition.End, true);
+            //};
+        }
+
     }
 }
\ No newline at end of file
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/.config/dotnet-tools.json b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/.config/dotnet-tools.json
new file mode 100644
index 00000000..23f4f077
--- /dev/null
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/.config/dotnet-tools.json
@@ -0,0 +1,12 @@
+{
+  "version": 1,
+  "isRoot": true,
+  "tools": {
+    "dotnet-ef": {
+      "version": "6.0.3",
+      "commands": [
+        "dotnet-ef"
+      ]
+    }
+  }
+}
\ No newline at end of file
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Controllers/ChatController.cs b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Controllers/ChatController.cs
index 3b920138..217192f4 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Controllers/ChatController.cs
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Controllers/ChatController.cs
@@ -3,6 +3,7 @@
 using Microsoft.Extensions.Logging;
 using O2NextGen.Sdk.NetCore.Models.smalltalk;
 using O2NextGen.SmallTalk.Api.Mappings;
+using O2NextGen.SmallTalk.Api.Services;
 using O2NextGen.SmallTalk.Business.Models;
 using O2NextGen.SmallTalk.Business.Services;
 using System.Threading;
@@ -18,6 +19,7 @@ public class ChatController : ControllerBase
 
         private readonly IHostingEnvironment _environment;
         private readonly ILogger<VersionController> _logger;
+        private readonly ISignalRService _signalRService;
         private readonly IChatManager _chatManager;
 
         #endregion
@@ -25,11 +27,12 @@ public class ChatController : ControllerBase
 
         #region Ctors
 
-        public ChatController(IHostingEnvironment environment, ILogger<VersionController> logger,
+        public ChatController(IHostingEnvironment environment, ILogger<VersionController> logger, ISignalRService signalRService,
             IChatManager chatManager)
         {
             _environment = environment;
             _logger = logger;
+            _signalRService = signalRService;
             _chatManager = chatManager;
         }
 
@@ -71,7 +74,7 @@ public async Task<IActionResult> AddAsync(long sessionId, ChatMessage chatMessag
                 throw new System.ArgumentNullException(nameof(chatMessage));
 
             ChatMessageModel resultSession = await _chatManager.AddMessage(sessionId, chatMessage.ToModel(), ct);
-
+            await _signalRService.GetAsync(ct);
             return Ok(resultSession.ToViewModel());
         }
 
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/O2NextGen.SmallTalk.Api.csproj b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/O2NextGen.SmallTalk.Api.csproj
index b0498b02..8dfa501e 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/O2NextGen.SmallTalk.Api.csproj
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/O2NextGen.SmallTalk.Api.csproj
@@ -1,28 +1,31 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
-  <PropertyGroup>
-    <TargetFramework>netcoreapp2.2</TargetFramework>
-    <UserSecretsId>3e239bd5-b8d6-455f-8e46-ea4782668914</UserSecretsId>
-    <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
-    <DockerfileContext>..\..\..</DockerfileContext>
-    <DockerComposeProjectPath>..\..\..\docker-compose.dcproj</DockerComposeProjectPath>
-  </PropertyGroup>
+	<PropertyGroup>
+		<TargetFramework>netcoreapp2.2</TargetFramework>
+		<UserSecretsId>3e239bd5-b8d6-455f-8e46-ea4782668914</UserSecretsId>
+		<DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
+		<DockerfileContext>..\..\..</DockerfileContext>
+		<DockerComposeProjectPath>..\..\..\docker-compose.dcproj</DockerComposeProjectPath>
+	</PropertyGroup>
 
-  <ItemGroup>
-    <Folder Include="wwwroot\" />
-  </ItemGroup>
+	<ItemGroup>
+		<Folder Include="wwwroot\" />
+	</ItemGroup>
 
-  <ItemGroup>
-    <PackageReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />
-	<PackageReference Include="Microsoft.Extensions.Options" Version="2.2.0" />
-  </ItemGroup>
+	<ItemGroup>
+		<PackageReference Include="Microsoft.AspNetCore.App" />
+		<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />
+		<PackageReference Include="Microsoft.Extensions.Options" Version="2.2.0" />
+		<PackageReference Include="Microsoft.Extensions.Http.Polly">
+			<Version>2.2.0</Version>
+		</PackageReference>
+	</ItemGroup>
 
-  <ItemGroup>
-    <ProjectReference Include="..\..\..\SDKs\O2NG.Sdk.NetCore\O2NG.Sdk.NetCore.Models\O2NextGen.Sdk.NetCore.Models.csproj" />
-    <ProjectReference Include="..\O2NextGen.SmallTalk.Business\O2NextGen.SmallTalk.Business.csproj" />
-    <ProjectReference Include="..\O2NextGen.SmallTalk.Data\O2NextGen.SmallTalk.Data.csproj" />
-    <ProjectReference Include="..\O2NextGen.SmallTalk.Impl\O2NextGen.SmallTalk.Impl.csproj" />
-  </ItemGroup>
+	<ItemGroup>
+		<ProjectReference Include="..\..\..\SDKs\O2NG.Sdk.NetCore\O2NG.Sdk.NetCore.Models\O2NextGen.Sdk.NetCore.Models.csproj" />
+		<ProjectReference Include="..\O2NextGen.SmallTalk.Business\O2NextGen.SmallTalk.Business.csproj" />
+		<ProjectReference Include="..\O2NextGen.SmallTalk.Data\O2NextGen.SmallTalk.Data.csproj" />
+		<ProjectReference Include="..\O2NextGen.SmallTalk.Impl\O2NextGen.SmallTalk.Impl.csproj" />
+	</ItemGroup>
 
 </Project>
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Services/SignalRService.cs b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Services/SignalRService.cs
new file mode 100644
index 00000000..1e071658
--- /dev/null
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Services/SignalRService.cs
@@ -0,0 +1,26 @@
+using System;
+using System.Net.Http;
+using System.Threading;
+using System.Threading.Tasks;
+
+namespace O2NextGen.SmallTalk.Api.Services
+{
+    public class SignalRService: ISignalRService
+    {
+        private readonly HttpClient _httpClient;
+        public SignalRService(HttpClient httpClient)
+        {
+            _httpClient = httpClient ?? throw new ArgumentNullException(nameof(httpClient));
+        }
+
+        public async Task GetAsync(CancellationToken ct)
+        {
+             await _httpClient.GetAsync($"api/chat", ct);
+        }
+    }
+
+    public interface ISignalRService
+    {
+        Task GetAsync(CancellationToken ct);
+    }
+}
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Startup.cs b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Startup.cs
index 35e02020..78c15ca3 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Startup.cs
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/Startup.cs
@@ -1,8 +1,12 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Http;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
 using O2NextGen.SmallTalk.Api.Helpers;
+using O2NextGen.SmallTalk.Api.Services;
+using Polly;
+using System;
 using System.Threading.Tasks;
 
 namespace O2NextGen.SmallTalk.Api
@@ -20,6 +24,7 @@ public void ConfigureServices(IServiceCollection services)
         {
             services.AddRequiredMvcComponents();
             services.AddBusiness();
+            services.AddApplicationServices(Configuration);
         }
 
         public void Configure(IApplicationBuilder app, IHostingEnvironment env)
@@ -49,5 +54,25 @@ public void Configure(IApplicationBuilder app, IHostingEnvironment env)
             app.UseMvc();
         }
     }
-}
+    public static class ServiceCollectionExtensions
+    {
+        public static IServiceCollection AddApplicationServices(this IServiceCollection services, IConfiguration configuration)
+        {
+            //register delegating handlers
+            // services.AddTransient<HttpClientAuthorizationDelegatingHandler>();
+            services.AddSingleton<IHttpContextAccessor, HttpContextAccessor>();
+
+            //register http services
+            services
+                .AddHttpClient<ISignalRService, SignalRService>("Signal-R", client =>
+                {
+                    client.BaseAddress = new Uri(configuration.GetValue<string>("urls:SignalRUrl"));
+                })
+                .AddTransientHttpErrorPolicy(builder => builder.WaitAndRetryAsync(5, arrempt => TimeSpan.FromSeconds(arrempt * 2)
+                   ));
+
+            return services;
+        }
+    }
+    }
 
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/appsettings.json b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/appsettings.json
index 013120d6..ceffcaa4 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.Api/appsettings.json
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.Api/appsettings.json
@@ -4,6 +4,9 @@
       "Default": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "urls": {
+    "SignalRUrl": "http://localhost:5000"
+  }
 }
 
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Controllers/ChatController.cs b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Controllers/ChatController.cs
index 5b7fe224..85975212 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Controllers/ChatController.cs
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Controllers/ChatController.cs
@@ -1,5 +1,7 @@
 using Microsoft.AspNetCore.Mvc;
+using Microsoft.AspNetCore.SignalR;
 using O2NextGen.SmallTalk.SignalrHub.Hubs;
+using System.Threading.Tasks;
 
 namespace O2NextGen.SmallTalk.SignalrHub.Controllers
 {
@@ -7,16 +9,20 @@ namespace O2NextGen.SmallTalk.SignalrHub.Controllers
     [ApiController]
     public class ChatController : ControllerBase
     {
-        private readonly IChatHub chatHub;
+        private IHubContext<ChatHub> _hubContext;
 
-        public ChatController(IChatHub chatHub)
+        public ChatController(IHubContext<ChatHub> chatHub)
         {
-            this.chatHub = chatHub;
+            this._hubContext = chatHub;
         }
         [HttpGet]
-        public void Test()
+        public async Task<IActionResult> Test()
         {
-            chatHub.UpdateMessages();
+            //await chatHub.UpdateMessages();
+            await _hubContext.Clients
+                .Group("Denis")
+                .SendAsync("OnUpdateMessage");
+            return Ok("Ok");
         }
     }
 }
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Controllers/ValuesController.cs b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Controllers/ValuesController.cs
new file mode 100644
index 00000000..70c88a35
--- /dev/null
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Controllers/ValuesController.cs
@@ -0,0 +1,43 @@
+using System.Collections.Generic;
+using Microsoft.AspNetCore.Mvc;
+
+namespace O2NextGen.SmallTalk.SignalrHub.Controllers
+{
+    [Route("api/[controller]")]
+    [ApiController]
+    public class ValuesController : ControllerBase
+    {
+        // GET api/values
+        [HttpGet]
+        public ActionResult<IEnumerable<string>> Get()
+        {
+            return new string[] { "value1", "value2" };
+        }
+
+        // GET api/values/5
+        [HttpGet("{id}")]
+        public ActionResult<string> Get(int id)
+        {
+            return "value";
+        }
+
+        // POST api/values
+        [HttpPost]
+        public void Post([FromBody] string value)
+        {
+        }
+
+        // PUT api/values/5
+        [HttpPut("{id}")]
+        public void Put(int id, [FromBody] string value)
+        {
+        }
+
+        // DELETE api/values/5
+        [HttpDelete("{id}")]
+        public void Delete(int id)
+        {
+        }
+    }
+}
+
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Hubs/ChatHub.cs b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Hubs/ChatHub.cs
index 44ce7f09..297638a5 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Hubs/ChatHub.cs
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Hubs/ChatHub.cs
@@ -9,15 +9,24 @@ public interface IChatHub {
     }
     public class ChatHub : Hub, IChatHub
     {
+        string username;
         public async Task NewUserAsync(string username)
         {
             await Groups.AddToGroupAsync(Context.ConnectionId, username);
+            this.username = username;
             await base.OnConnectedAsync();
         }
 
+        public override Task OnConnectedAsync()
+        {
+             
+            return base.OnConnectedAsync();
+        }
+
         public async Task UpdateMessages()
         {
-            await Clients.All.SendAsync("OnUpdateMessage");
+           await Clients.Group(username).SendAsync("OnUpdateMessage");
+            //await Groups..All.SendAsync("OnUpdateMessage");
         }
 
         //public override async Task OnConnectedAsync()
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/O2NextGen.SmallTalk.SignalrHub.csproj b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/O2NextGen.SmallTalk.SignalrHub.csproj
index 06b1256c..76560417 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/O2NextGen.SmallTalk.SignalrHub.csproj
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/O2NextGen.SmallTalk.SignalrHub.csproj
@@ -1,7 +1,7 @@
 <Project Sdk="Microsoft.NET.Sdk.Web">
 
   <PropertyGroup>
-    <TargetFramework>netcoreapp2.1</TargetFramework>
+    <TargetFramework>netcoreapp2.2</TargetFramework>
     <UserSecretsId>bc1a7d3c-820d-4431-a0c7-d51b4a253b6d</UserSecretsId>
     <DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
   </PropertyGroup>
@@ -14,7 +14,7 @@
 
   <ItemGroup>
     <PackageReference Include="Microsoft.AspNetCore.App" />
-    <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.1.2" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.AspNetCore.Razor.Design" Version="2.2.0" PrivateAssets="All" />
     <PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.14.0" />
   </ItemGroup>
 
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Startup.cs b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Startup.cs
index ff720698..fb75a795 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Startup.cs
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.SignalrHub/Startup.cs
@@ -1,5 +1,6 @@
 using Microsoft.AspNetCore.Builder;
 using Microsoft.AspNetCore.Hosting;
+using Microsoft.AspNetCore.Mvc;
 using Microsoft.Extensions.DependencyInjection;
 using O2NextGen.SmallTalk.SignalrHub.Hubs;
 
@@ -11,6 +12,11 @@ public class Startup
         // For more information on how to configure your application, visit https://go.microsoft.com/fwlink/?LinkID=398940
         public void ConfigureServices(IServiceCollection services)
         {
+            var mvcBuilder = services.AddMvcCore(options => {
+                //options.Filters.Add<ApiExceptionFilter>();
+            });
+            mvcBuilder.SetCompatibilityVersion(CompatibilityVersion.Version_2_2);
+            mvcBuilder.AddJsonFormatters();
             services.AddCors(options =>
             {
                 options.AddPolicy("CorsPolicy",
diff --git a/src/Services/smalltalk/O2NextGen.SmallTalk.sln b/src/Services/smalltalk/O2NextGen.SmallTalk.sln
index 6b029700..e5576b0e 100644
--- a/src/Services/smalltalk/O2NextGen.SmallTalk.sln
+++ b/src/Services/smalltalk/O2NextGen.SmallTalk.sln
@@ -6,6 +6,9 @@ MinimumVisualStudioVersion = 10.0.40219.1
 Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Tests", "Tests", "{64D081A5-7679-4BA4-B1D9-9577379FF16F}"
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "O2NextGen.SmallTalk.Api", "O2NextGen.SmallTalk.Api\O2NextGen.SmallTalk.Api.csproj", "{4D3AF6CE-4262-4F0E-9DAC-86A4781C7D96}"
+	ProjectSection(ProjectDependencies) = postProject
+		{03A09C6B-B835-4748-839E-33E395D8197C} = {03A09C6B-B835-4748-839E-33E395D8197C}
+	EndProjectSection
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "IntegrationTests.O2NextGen.SmallTalk.Api", "Tests\IntegrationTests.O2NextGen.SmallTalk.Api\IntegrationTests.O2NextGen.SmallTalk.Api.csproj", "{9BBF5376-E08B-4181-9187-2BE4A8787CF4}"
 EndProject
@@ -27,7 +30,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "SDKs", "SDKs", "{B03A4DA5-C
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "O2NextGen.Sdk.NetCore.Models", "..\..\SDKs\O2NG.Sdk.NetCore\O2NG.Sdk.NetCore.Models\O2NextGen.Sdk.NetCore.Models.csproj", "{011B24B8-B1CA-4585-9862-916BE9A090AF}"
 EndProject
-Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "O2NextGen.SmallTalk.SignalrHub", "O2NextGen.SmallTalk.SignalrHub\O2NextGen.SmallTalk.SignalrHub.csproj", "{03A09C6B-B835-4748-839E-33E395D8197C}"
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "O2NextGen.SmallTalk.SignalrHub", "O2NextGen.SmallTalk.SignalrHub\O2NextGen.SmallTalk.SignalrHub.csproj", "{03A09C6B-B835-4748-839E-33E395D8197C}"
 EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution