Trading signals NT8 , any one using please guide me

Trading Signals is just an indicator i need using any strategy, giving buy and sell signals
on chart.

 

//here is you one to start with //


// Import required namespaces
#region Using declarations
using System;
using NinjaTrader.Cbi;
using NinjaTrader.Gui.Tools;
using NinjaTrader.NinjaScript;
#endregion

namespace NinjaTrader.NinjaScript.Indicators
{
public class MovingAverageCrossoverSignals : Indicator
{
// Inputs for the Moving Averages
[Range(1, int.MaxValue), NinjaScriptProperty]
[Display(Name = "Fast MA Period", Order = 1, GroupName = "Parameters")]
public int FastMAPeriod { get; set; }

[Range(1, int.MaxValue), NinjaScriptProperty]
[Display(Name = "Slow MA Period", Order = 2, GroupName = "Parameters")]
public int SlowMAPeriod { get; set; }

// Series for the moving averages
private SMA FastMA;
private SMA SlowMA;

protected override void OnStateChange()
{
if (State == State.SetDefaults)
{
// Default settings
Description = "Simple Moving Average Crossover Strategy with Buy/Sell Signals";
Name = "MovingAverageCrossoverSignals";
FastMAPeriod = 10;
SlowMAPeriod = 30;
IsOverlay = true;
AddPlot(Brushes.Green, "Buy Signal");
AddPlot(Brushes.Red, "Sell Signal");
}
else if (State == State.DataLoaded)
{
// Initialize the moving averages
FastMA = SMA(FastMAPeriod);
SlowMA = SMA(SlowMAPeriod);
}
}

protected override void OnBarUpdate()
{
// Ensure enough data for calculation
if (CurrentBar < Math.Max(FastMAPeriod, SlowMAPeriod))
return;

// Calculate moving averages
double fastValue = FastMA[0];
double slowValue = SlowMA[0];

// Buy Signal: Fast MA crosses above Slow MA
if (CrossAbove(FastMA, SlowMA, 1))
{
Draw.ArrowUp(this, "BuySignal" + CurrentBar, true, 0, Low[0] - TickSize, Brushes.Green);
Alert("BuySignal", Priority.High, "Buy Signal Triggered", "Alert1.wav", 10, Brushes.Green, Brushes.Black);
PlotValues[0][0] = Low[0] - TickSize;
}
// Sell Signal: Fast MA crosses below Slow MA
else if (CrossBelow(FastMA, SlowMA, 1))
{
Draw.ArrowDown(this, "SellSignal" + CurrentBar, true, 0, High[0] + TickSize, Brushes.Red);
Alert("SellSignal", Priority.High, "Sell Signal Triggered", "Alert2.wav", 10, Brushes.Red, Brushes.Black);
PlotValues[1][0] = High[0] + TickSize;
}
}
}
}