SignalR working?

WD7UVN_HFT_2023241.Endpoint/Services/SignalRHub.cs

@@ -0,0 +1,21 @@
+using System;
+using System.Threading.Tasks;
+using Microsoft.AspNetCore.SignalR;
+
+namespace WD7UVN_HFT_2023241.Endpoint.Services
+{
+    public class SignalRHub : Hub
+    {
+        public override Task OnConnectedAsync()
+        {
+            Clients.Caller.SendAsync("Connected", Context.ConnectionId);
+            return base.OnConnectedAsync();
+        }
+
+        public override Task OnDisconnectedAsync(Exception exception)
+        {
+            Clients.Caller.SendAsync("Disconnected", Context.ConnectionId);
+            return base.OnDisconnectedAsync(exception);
+        }
+    }
+}