5.1.2.2 IfcDefinitionSelect
5.1.2.2.1 Semantic definition
IfcDefinitionSelect聽provides the option to either select an object or type object IfcObjectDefinition, or a property set template or property set, IfcPropertyDefinition.
5.1.2.2.2 Type values
5.1.2.2.3 Formal representation
TYPE IfcDefinitionSelect = SELECT
(IfcObjectDefinition
,IfcPropertyDefinition);
END_TYPE;