import quickfix

def sendOrderCancelRequest:
	message = quickfix.Message();
	header = message.getHeader();

	header.setField(quickfix.BeginString("FIX.4.2"))
	header.setField(quickfix.SenderCompID(TW))
	header.setField(quickfix.TargetCompID("TARGET"))
	header.setField(quickfix.MsgType("D"))
	message.setField(quickfix.OrigClOrdID("123"))
	message.setField(quickfix.ClOrdID("321"))
	message.setField(quickfix.Symbol("LNUX"))
	message.setField(quickfix.Side(Side.BUY))
	message.setField(quickfix.Text("Cancel My Order!"))

	Session.sendToTarget(message)