IfcDocumentSelect

BACnet MVD

#### IfcDocumentSelect

Natural language names

| Document Select
| Sélection entre intégration et référencement des informations de document

##### Semantic definitions at the type

Type definition

The IfcDocumentSelect enables selection of whether document information is to be contained within an IFC model or is to be referenced from an external source.

> HISTORY New select type in IFC2x

Select definition

Type | Description
--- | ---
IfcDocumentReference |
IfcDocumentInformation |

##### Formal representations

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

EXPRESS-G diagram

`

References: IfcRelAssociatesDocument

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