WebAPISignalRChat/Backend/Diligent.WebAPI.Host/Hubs/UserConnection.cs

namespace Diligent.WebAPI.Host.Hubs
{
    public class UserStatus
    {
        public string UserId { get; set; }
        public string Mode { get; set; }
    }
    public class UserConnection : UserStatus
    {
        public string Username { get; set; }
        // RoomId in hub
        public string RoomId { get; set; }
    }
}