Add stoploss

Hello i using a cbot.    But want to add a stoploss in it 

using System.Linq;

using cAlgo.API;

using cAlgo.API.Indicators;

using cAlgo.API.Internals;

using cAlgo.Indicators;

namespace cAlgo

{

    [Robot(TimeZone = TimeZones.UTC, AccessRights = AccessRights.None)]

    public class AdvancedHedgingandScalpingcBot : Robot

    {

        [Parameter("Volume", DefaultValue = 1000, MinValue = 1, Step = 1)]

        public int Volume { get; set; }

        private double _equity;

        private int noOfPositions = 4;

        private int pips = 2;

        protected override void OnStart()

        {

            _equity = Account.Balance;

            ExecuteMarketOrder(TradeType.Buy, Symbol, Volume, "BUY");

            ExecuteMarketOrder(TradeType.Sell, Symbol, Volume, "SELL");

        }

        protected override void OnBar()

        {

            foreach (var position in Positions)

            {

                if (position.Pips > pips)

                {

                    ClosePosition(position);

                }

            }

            if (Positions.Count < noOfPositions)

            {

                ExecuteMarketOrder(TradeType.Buy, Symbol, Volume, "BUY");

                ExecuteMarketOrder(TradeType.Sell, Symbol, Volume, "SELL");

            }

            int buyCount = 0;

            int sellCount = 0;

            foreach (var position in Positions)

            {

                if (position.TradeType == TradeType.Buy)

                    buyCount++;

                if (position.TradeType == TradeType.Sell)

                    sellCount++;

            }

            if (buyCount == 0 || sellCount == 0)

            {

                Volume += 1000;

                noOfPositions += 2;

                pips++;

                ExecuteMarketOrder(TradeType.Buy, Symbol, Volume, "BUY");

                ExecuteMarketOrder(TradeType.Sell, Symbol, Volume, "SELL");

            }

            if (Account.Equity > _equity + Account.Equity / 100)

            {

                foreach (var position in Positions)

                {

                    ClosePosition(position);

                }

                _equity = Account.Equity;

                Volume = 1000;

                noOfPositions = 4;

                pips = 2;

                ExecuteMarketOrder(TradeType.Buy, Symbol, Volume, "BUY");

                ExecuteMarketOrder(TradeType.Sell, Symbol, Volume, "SELL");

            }

        }

    }