The WhereClauseRef references the WhereClauseDef element that describes the conditions under which the variable values are defined by the referenced ItemDef.

Element NameWhereClauseRef
Parent ElementsItemRef
Element XPath(s)

/ODM/Study/MetaDataVersion/ValueListDef/ItemRef/WhereClauseRef

Element Textual ValueNone
AttributesWhereClauseOID
Child ElementsNone
Usage/Business Rules
  • Business Rules:
    • One or more WhereClauseRef elements is Required for each ItemRef child element within a ValueListDef. 
    • Not allowed as a child element of an ItemRef element if the parent node is a ItemGroupDef element. It will be considered nonconforming.
    • If more than one WhereClauseRef elements appear in an ItemRef child element within a ValuelistDef, they are interpreted as a logical OR.

AttributeSchema Datatype or EnumerationUsageDefinitionBusiness Rule(s)
WhereClauseOIDoidrefRequiredReference to the unique ID of a WhereClauseDef element

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