Body:
Attributes:
Contained in:
The SourceItem element provides the information needed to identify the source metadata, ItemDef reference, for the associated ItemRef.
The leafID element references a leaf element that provides a reference to another ODM document. This is necessary when the source ItemOID references an ItemDef contained in a different ODM document.
The ItemGroupOID attribute references the ItemGroupDef that contains the ItemRef that functions as a source element.
The ItemOID attribute references the ItemDef that contains the metadata definition for the source variable.