Mango.Nop.Plugins/Nop.Plugin.Misc.AuctionPlugin/AuctionHub.cs

using System;
using Microsoft.AspNetCore.SignalR;

using System.Threading.Tasks;

namespace Nop.Plugin.Misc.AuctionPlugin

{

    public class AuctionHub : Hub

    {

        public Task Send(string announcement)

        {

            return Clients.All.SendAsync("Send", announcement);

        }

    }

}