public async Task <bool> NotifyRealTimeClients(string vehicleId, bool status)
        {
            var notification = new VehicleStatusNotification(vehicleId, status);
            await _hubContext.Clients.All.InvokeAsync("vehicleStatusChanged", notification);

            return(true);
        }
 public void Send(VehicleStatusNotification notification)
 {
     // Call the broadcastMessage method to update clients.
     Clients.All.InvokeAsync("vehicleStatusChanged", notification);
 }