public class TimeSeriesSubscriptionExample
    {
        private readonly ITimeSeriesDataService timeSeries;
        private ITimeSeriesDataSubscription subscription;
        public TimeSeriesSubscriptionExample(ITimeSeriesDataService timeSeries)
        {
            this.timeSeries = timeSeries;
        }

        //string View = "BID";            // <===== Modify the view here!
        string View = "TRDPRC_1";

        public void Launch()
        {
            
            subscription = timeSeries.SetupDataSubscription("HSIc1")
                .WithView(View)
                .WithAllFields()
                .WithInterval(CommonInterval.Tick)
                .WithNumberOfPoints(100)
                .OnDataReceived(DataReceivedCallback)
                .OnDataUpdated(DataUpdatedCallback)
                .WithTimeZone(TimezoneType.Instrument)
                .From(DateTime.Now.AddMinutes(-1))
                .To(DateTime.Now.AddMinutes(1))
                .CreateAndStart();
        }

        private void DataReceivedCallback(DataChunk chunk)
        {   
            foreach (ITickData tick in chunk.Records.ToTickRecords())
            {
                Console.WriteLine($"Callback/{View}: {tick.Timestamp?.ToString("yyyy/MM/dd HH:mm:ss.fff")} {chunk.Ric} {tick.Value} {tick.Volume} {tick.Count}");
            }
        }

        private void DataUpdatedCallback(IDataUpdate dataUpdate)
        {   
            ITickData tick = dataUpdate.Records.ToTickRecords().FirstOrDefault();

            if (dataUpdate.UpdateType == UpdateType.NewPoint)
            {
                Console.WriteLine($"New point/{View}: {tick.Timestamp?.ToString("yyyy/MM/dd HH:mm:ss.fff")} {dataUpdate.Ric} {tick.Value} {tick.Volume} {tick.Count}");
            }
            else if (dataUpdate.UpdateType == UpdateType.ExistingPoint)
            {
                Console.WriteLine($"Updated point/{View}: {tick.Timestamp?.ToString("yyyy/MM/dd HH:mm:ss.fff")} {dataUpdate.Ric} {tick.Value} {tick.Volume} {tick.Count}");
            }
        }
    }