Database handle for the object. It is of XML type ID, so is constrained to beunique in the XML document within which it occurs. An external identifier for the object inthe form of a URI may be constructed using standard XML and XPointer methods. This is doneby concatenating the URI for the document, a fragment separator, and the value of the idattribute.
An integer that indicates the position of the property result in the dataValues property.
Source
<element name="GroutInjectionProperty" substitutionGroup="gml:AbstractValue" type="diggs:GroutInjectionPropType"><annotation><documentation>An object that specifies a property that is recorded during grout injection.</documentation></annotation></element>