IFC (IFC4X3_ADD2) under development IfcExternalReferenceRelationship Semantic definition

IfcExternalReferenceRelationship is a relationship entity that enables objects from the IfcResourceObjectSelect to have the ability to be tagged by external references. Entity inheritance Attributes

# Attribute Type Description
IfcResourceLevelRelationship (2)
1 Name OPTIONAL IfcLabel

A name used to identify or qualify the relationship.

2 Description OPTIONAL IfcText

A description that may apply additional information about the relationship.

Click to show 2 hidden inherited attributes Click to hide 2 inherited attributes
IfcExternalReferenceRelationship (2)
3 RelatingReference IfcExternalReference

An external reference that can be used to tag an object within the range of IfcResourceObjectSelect.

4 RelatedResourceObjects SET [1:?] OF IfcResourceObjectSelect

Objects within the list of IfcResourceObjectSelect that can be tagged by an external reference to a dictionary, library, catalogue, classification or documentation.

Table Formal representation

ENTITY IfcExternalReferenceRelationship
 SUBTYPE OF (IfcResourceLevelRelationship);
	RelatingReference : IfcExternalReference;
	RelatedResourceObjects : SET [1:?] OF IfcResourceObjectSelect;
END_ENTITY; References

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