![]()  | Vordefinierte Merkmale | 
![]()  | Pre Defined Properties | 
![]()  | Propriétés prédéfinies | 
| Item | SPF | XML | Change | Description | IFC2x3 to IFC4 4.0.0.0 | 
|---|---|---|---|---|
| IfcPreDefinedProperties | ADDED | IFC2x3 to IFC4 4.0.0.0 | ||
| IfcPreDefinedProperties | ADDED | 
The IfcPreDefinedProperties is an abstract supertype of all predefined property collections that have explicit attributes, each representing a property. Instantiable subtypes are assigned to specific characterised entities.
HISTORY New entity in IFC4.
| # | Attribute | Type | Cardinality | Description | G | 
|---|---|---|---|---|---|
| IfcPropertyAbstraction | |||||
| HasExternalReferences | IfcExternalReferenceRelationship @RelatedResourceObjects  | S[0:?] | Reference to an external reference, e.g. library, classification, or document information, that is associated to the property definition.
IFC4 CHANGE New inverse attribute.  | X | |
| IfcPreDefinedProperties | |||||
 <xs:element name="IfcPreDefinedProperties" type="ifc:IfcPreDefinedProperties" abstract="true" substitutionGroup="ifc:IfcPropertyAbstraction" nillable="true"/>
 <xs:complexType name="IfcPreDefinedProperties" abstract="true">
  <xs:complexContent>
   <xs:extension base="ifc:IfcPropertyAbstraction"/>
  </xs:complexContent>
 </xs:complexType>
ENTITY IfcPreDefinedProperties
 ABSTRACT SUPERTYPE OF(ONEOF(IfcReinforcementBarProperties, IfcSectionProperties, IfcSectionReinforcementProperties))
 SUBTYPE OF (IfcPropertyAbstraction);
END_ENTITY;