IfcChimneyTypeEnum

BACnet MVD

#### IfcChimneyTypeEnum

Natural language names

| Chimney Type Enum
| Énumération des types de cheminée

Change log

Item | SPF | XML | Change | Description
--- | --- | --- | --- | ---
IFC2x3 to IFC4
IfcChimneyTypeEnum |  |  | ADDED |

##### Semantic definitions at the type

Type definition

This enumeration defines the valid types of chimneys that can be predefined using the enumeration values.

> HISTORY New enumeration in IFC4

> NOTE Currently there are no specific enumerators defined, the IfcChimneyTypeEnum has been added for future extensions.

Enumeration definition

Constant | Description
--- | ---
USERDEFINED |
NOTDEFINED |

##### Formal representations

XML Specification
`<xs:simpleType name="IfcChimneyTypeEnum">
<xs:restriction base="xs:string">
<xs:enumeration value="userdefined"/>
<xs:enumeration value="notdefined"/>
</xs:restriction>
</xs:simpleType>
`
EXPRESS Specification
`TYPE IfcChimneyTypeEnum = ENUMERATION OF (
USERDEFINED,
NOTDEFINED);
END_TYPE;

EXPRESS-G diagram

`

References: IfcChimney IfcChimneyType

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