IFC 4.3.x development Pset_BuildingSystemCommon Semantic definitions at the entity

Properties common to the definition of building systems.

Name Type Description
ReferenceIfcPropertySingleValueReference ID for this specified type in this project (e.g. type 'A-1'), Also referred to as "construction type". It should be provided as an alternative to the name of the "object type", if the software does not support object types.