IfcClassificationNotationSelect

Definition from IAI: IfcClassificationNotationSelect enables selection of whether a classification notation is to be contained within an IFC model or is to be referenced from an external source (or classification server).

> HISTORY: New Select Type in IFC 2x

Select From:

- IfcClassificationNotation (for notation used from a reference)
- IfcClassificationReference (for reference into a classification system or source)

EXPRESS specification:

TYPE IfcClassificationNotationSelect = SELECT
( | IfcClassificationNotation, IfcClassificationReference);
END_TYPE;