public override void writeXML(UTRSXmlWriter xml)
{
xml.WriteElementSafeString(_ID.ToLower(), id);
xml.WriteElementSafeString(_LIBRARY_UUID.ToLower(), libraryUuid);
xml.WriteElementSafeString(_SIGNAL_NAME.ToLower(), signalName);
xml.WriteElementSafeString(_SIGNAL_CONTENT.ToLower(), signalContent);
xml.WriteElementSafeString(_LAST_UPDATE.ToLower(), lastUpdate);
}