import quickfix

def sendOrderCancelRequest:
	message = quickfix.Message()
	# BeginString
	message.getHeader().setField(quickfix.StringField(8, "FIX.4.2"))
	# SenderCompID
	message.getHeader().setField(quickfix.StringField(49, "TW"))
	# TargetCompID, with enumeration
	message.getHeader().setField(quickfix.StringField(56, "TARGET"))
	# MsgType
	message.getHeader().setField(quickfix.CharField(35, 'F'))
	# OrigClOrdID
	message.setField(quickfix.StringField(41, "123"))
	# ClOrdID
	message.setField(quickfix.StringField(11, "321"))
	# Symbol
	message.setField(quickfix.StringField(55, "LNUX"))
	# Side, with value enumeration
	message.setField(quickfix.CharField(54, quickfix.Side_BUY))
	# Text
	message.setField(quickfix.StringField(58, "Cancel My Order!"))

	Session.sendToTarget(message);