input double trail_pips = 200;

// トレーリングストップ設定
double profit = MyOrderProfitPips(0) - trail_pips;
double sl = MyOrderStopLoss(0);
if(sl == 0 || profit > MyOrderShiftPips(sl, 0)) MyOrderModify(0, MyOrderShiftPrice(profit, 0), 0);