Provides the information needed to identify the source metadata.

Element NameSourceItem
Parent ElementsSourceItems
Element XPath(s)
  • /ODM/Study/MetaDataVersion/ItemGroupDef/Origin/Source/SourceItem
  • /ODM/Study/MetaDataVersion/ItemGroupDef/ItemRef/Origin/Source/SourceItem
Element Textual ValueNone
AttributesItemOID, ItemGroupOID, MetaDataVersionOID, StudyOID, leafID, Label
Child Elements(Resource+, Coding*)
Usage/Business Rules


AttributeSchema Datatype or EnumerationUsageDefinitionBusiness Rule(s)
ItemOIDoidrefOptionalReferences the ItemDef that provides the variable metadata.
  • Must match the OID for an ItemDef element.
  • The referenced ItemDef element can be in the same ODM document or another ODM document.
ItemGroupOIDoidrefOptionalReferences the ItemGroupDef that provides the ItemGroup or dataset metadata.
  • Must match the OID for an ItemGroupDef element.
  • The referenced ItemGroupDef element can be in the same ODM document or another ODM document.
MetaDataVersionOIDoidrefOptionalReferences the MetaDataVersion that provides the metadata when referencing another ODM document.
  • Must match the OID of a MetaDataVersion element.
  • The referenced MetaDataVersion element can be in the same ODM document or another ODM document.
  • Must be provided if the reference is not to an object within the same MetaDataVersion element.
StudyOIDoidrefOptionalReferences the Study that provides the metadata when referencing another ODM document.
  • Must match the OID for an Study element.
  • The referenced Study element can be in the same ODM document or another ODM document.
  • Must be provided if the reference is not to an object within the same Study element.
leafIDIDREFOptionalReferences 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.
  • When referencing another ODM document it is necessary to have values for the MetaDataVersionOID and StudyOID attributes. 
NamenameOptionalProvides a way to connect an argument to a parameter when SourceItems are inputs to methods. It allows the name used in the programming code in the method description to make it easier to trace the use of the value. 

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