This enumeration defines the applicable object categories. Attached to an object, it indicates to which subtype of IfcObject the entity referencing it would otherwise comply with.
HISTORY New entity in IFC1.0.
DEPRECATION The use of this enumeration is deprecated since IFC2x3.
TYPE IfcObjectTypeEnum = ENUMERATION OF (PRODUCT ,PROCESS ,CONTROL ,RESOURCE ,ACTOR ,GROUP ,PROJECT ,NOTDEFINED); END_TYPE;