IfcStructuralActivityAssignmentSelect

Definition from IAI: This type definition shall be used to distinguish between a reference to an instance either of IfcStructuralItem or IfcBuildingElement. The IfcStructuralActivityAssignmentSelect type is referenced by the entity IfcRelConnectsStructuralActivity which defines the connection between activities (IfcStructuralActivity) and the loaded element.

> HISTORY: New type in Release IFC2x Edition 2.

EXPRESS specification:

TYPE IfcStructuralActivityAssignmentSelect = SELECT
( | IfcStructuralItem, IfcElement);
END_TYPE;