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IfcObjectReferenceSelect

Definition from IAI: A select type, that holds a list of resource level entities that can be used as properties within a property set.

HISTORY: New Select Type in IFC Release 2.0, capabilities improved in IFC Release 2.x.
ISSUE: See issue and change log for changes made in IFC Release 2.x.

EXPRESS specification:

TYPE IfcObjectReferenceSelect = SELECT
( IfcMaterial,
IfcPerson,
IfcDateAndTime,
IfcMaterialList,
IfcOrganization,
IfcCalendarDate,
IfcLocalTime,
IfcPersonAndOrganization,
IfcMaterialLayer,
IfcExternalReference);
END_TYPE;

References (1):

Name Type Referred through Express-G
IfcPropertyReferenceValue Entity
Attribute 'PropertyReference'
Diagram 2