#### IfcSimpleValue

Natural language names

##### Semantic definitions at the type

Type definition

A select type for selecting between simple value types.

SELECT

- IfcInteger Defined type of simple type INTEGER.
- IfcReal Defined type of simple type REAL.
- IfcBoolean Defined type of simple type BOOLEAN.
- IfcLogical Defined type of simple type LOGICAL.
- IfcIdentifier Defined type of simple type STRING for identification purposes.
- IfcLabel Defined type of simple type STRING for naming purposes.
- IfcText Defined type of simple type STRING for descriptive purposes.

> HISTORY New type in IFC Release 2x.

Enumeration definition

Constant | Description
--- | ---
IfcInteger |
IfcReal |
IfcBoolean |
IfcIdentifier |
IfcText |
IfcLabel |
IfcLogical |

##### Formal representations

XSD Specification
`<xs:group name="IfcSimpleValue">
<xs:choice>
<xs:element ref="ifc:IfcBoolean-wrapper"/>
<xs:element ref="ifc:IfcIdentifier-wrapper"/>
<xs:element ref="ifc:IfcInteger-wrapper"/>
<xs:element ref="ifc:IfcLabel-wrapper"/>
<xs:element ref="ifc:IfcReal-wrapper"/>
<xs:element ref="ifc:IfcText-wrapper"/>
</xs:choice>
</xs:group>
`
EXPRESS Specification
`TYPE IfcSimpleValue = SELECT (
IfcInteger,
IfcReal,
IfcBoolean,
IfcIdentifier,
IfcText,
IfcLabel);
END_TYPE;

EXPRESS-G diagram

`

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