public override void writeXML(UTRSXmlWriter xml)
{
xml.WriteElementSafeString(_SIGNAL_ATTRIBUTE_ID.ToLower(), signalAttributeId);
xml.WriteElementSafeString(_SIGNAL_ID.ToLower(), signalId);
xml.WriteElementSafeString(_ATTRIBUTE_NAME.ToLower(), attributeName);
xml.WriteElementSafeString(_DEFAULT_VALUE.ToLower(), defaultValue);
xml.WriteElementSafeString(_TYPE.ToLower(), type);
xml.WriteElementSafeString(_FIXED_VALUE.ToLower(), fixedValue);
}