public override void writeXML(UTRSXmlWriter xml)
{
xml.WriteElementSafeString(_ID.ToLower(), id);
xml.WriteElementSafeString(_SOURCE_TYPE.ToLower(), sourceType);
xml.WriteElementSafeString(_SOURCE_NAME.ToLower(), sourceName);
xml.WriteElementSafeString(_TARGET_TYPE.ToLower(), targetType);
xml.WriteElementSafeString(_TARGET_NAME.ToLower(), targetName);
}