#### 5.1.2.5 IfcResourceSelect

IfcResourceSelect provides the option to either select a resource occurrence, IfcResource, or a resource type, IfcTypeResource.

> HISTORY New select type in IFC4.

XSD Specification:

<xs:group name="IfcResourceSelect">
<xs:choice>
<xs:element ref="ifc:IfcResource"/>
<xs:element ref="ifc:IfcTypeResource"/>
</xs:choice>
</xs:group>

EXPRESS Specification:

TYPE IfcResourceSelect = SELECT (
| IfcResource, IfcTypeResource);
END_TYPE;

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