Demonstrate Hub for signalR

EventHub.cs

using Microsoft.AspNetCore.SignalR;
using Microsoft.AspNetCore.SignalR;


namespace SignalR.Lab.Web.Hubs
{
    public interface IEventHub
    {
        // here place some method(s) for message from server to client
        Task SendNoticeEventToClient(string message);
    }
    
    public class EventHub : Hub<IEventHub>
    {
        // here place some method(s) for message from client to server
    }
}