limit ordor:
if(OrderType == "MKT") orderID = ib.PlaceOrder(sTicker, "BUY", pContracts, "MKT", 0, 0, "GTC", True, tickMult, "outsideRTH");
else if(OrderType == "STP") orderID = ib.PlaceOrder(sTicker, "BUY", pContracts, "STP", 0, price, "GTC", True, tickMult, "outsideRTH");
else...