![]()  | Classification Reference Select | 
![]()  | Sélection de référence de classification | 
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 4.0.0.0 | 
|---|---|---|---|---|
| IfcClassificationReferenceSelect | ADDED | IFC2x3 to IFC4 4.0.0.0 | ||
| IfcClassificationReferenceSelect | ADDED | 
The IfcClassificationReferenceSelect enables selection of whether a classification reference is a subset of another classification reference or is a top level entry of a classification source.
HISTORY New Select Type in IFC2x
| Type | Description | 
|---|---|
| IfcClassificationReference | |
| IfcClassification | 
 <xs:group name="IfcClassificationReferenceSelect">
  <xs:choice>
   <xs:element ref="ifc:IfcClassification"/>
   <xs:element ref="ifc:IfcClassificationReference"/>
  </xs:choice>
 </xs:group>
TYPE IfcClassificationReferenceSelect = SELECT (
 IfcClassificationReference, 
 IfcClassification);
END_TYPE;
  References: IfcClassificationReference