A property set, quantity set or predefined property set, from IfcModel.propertySets.
IfcModel.propertySets
Name, or the entity name of a predefined set that states none.
Name
Stated on the object, or held by its (or the queried) type object.
The type object, for source: "type".
source: "type"
IFCPROPERTYSET, IFCELEMENTQUANTITY or a predefined set's entity.
IFCPROPERTYSET
IFCELEMENTQUANTITY
A property set, quantity set or predefined property set, from
IfcModel.propertySets.