OrderId

public string OrderId { get; }

 An object ‘Fill’ is created in the following example. After creation of this object all its properties are outputted, including OrderId property.
 
using System;
using System.Collections;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using PTLRuntime.NETScript;

namespace FillsExample
{
	public class FillsExample : NETStrategy
	{
		public override void Init()
		{
			Fills.FillAdded += NewFill;//creates an action that responds to the emergence of a new trade.
		}        
		
		public override void OnQuote()
		{
			NewOrderRequest request = new NewOrderRequest //creation of a new trading order request.
			{
				Instrument = Instruments.Current,
				Account = Accounts.Current,
				Side = Operation.Buy,
				Type = OrdersType.Market,
				Price = Instruments.Current.LastQuote.Ask,
				Amount = 1,
				TimeInForce=TimeInForce.GTC,
				MarketRange = 1000,
			};
			
			Orders.Send(request); //sends trading order.
		}
		
		//The method that is triggered after the trade was made.
		public void NewFill(Fill lastFill)
		{
			//outputting of all the information about the trade.
			Print(
				"--------------------------------------------\n"+
				"Instrument : \t"	+lastFill.Instrument+"\n"+
				"Account : \t"		+lastFill.Account+"\n"+
				"Id : \t"			+lastFill.Id+"\n"+
				"OrdeId : \t"		+lastFill.OrderId+"\n"+
				"PositionId : \t"	+lastFill.PositionId+"\n"+
				"Amount : \t"		+lastFill.Amount+"\n"+
				"Price : \t"		+lastFill.Price+"\n"+
				"Commission : \t"	+lastFill.Commission+"\n"+
				"Profit : \t"		+lastFill.Profit+"\n"+
				"Time : \t"			+lastFill.Time+"\n"+
				"Side : \t"			+lastFill.Side+"\n"+
				"ExternalId : \t"	+lastFill.ExternalId+"\n"+
				"ExternalPrice : \t"+lastFill.ExternalPrice+"\n"+
				"Exchange : \t"		+lastFill.Exchange+"\n"+
				"Type : \t"			+lastFill.Type+"\n"+
				"--------------------------------------------"
			);
		}
		
		public override void Complete()
		{
			Fills.FillAdded -= NewFill;
		}
	
	}
}