IfcStructuralActivityAssignmentSelect

BACnet MVD

#### IfcStructuralActivityAssignmentSelect

Natural language names

| Structural Activity Assignment Select
| Sélection d'assignation d'activité structurelle

##### Semantic definitions at the type

Type definition

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

> HISTORY New type in IFC2x2.

Select definition

Type | Description
--- | ---
IfcStructuralItem |
IfcElement |

##### Formal representations

XML Specification
`<xs:group name="IfcStructuralActivityAssignmentSelect">
<xs:choice>
<xs:element ref="ifc:IfcElement"/>
<xs:element ref="ifc:IfcStructuralItem"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcStructuralActivityAssignmentSelect = SELECT (
IfcStructuralItem,
IfcElement);
END_TYPE;

EXPRESS-G diagram

`

References: IfcRelConnectsStructuralActivity

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