#### 8.10.2.4 IfcStyleAssignmentSelect

The style assignment select is a selection of two wasy of assigning presentation styles to an IfcStyledItem.

- by directly assigning presentation styles as subtypes of IfcPresentationStyle
- by assigning presentation stypes via an intermediate collection entity IfcPresentationStyleAssignment

> HISTORY New select type in IFC4.

> IFC4 CHANGE The select type has been introduced to provide an upward compatible improvement for assigning styles to a styled items.

> DEPRECATION Using IfcPresentationStyleAssignment is deprecated, use the direct assignment of a subtype of IfcPresentationStyle instead.

> XSD Specification:

> <xs:group name="IfcStyleAssignmentSelect">
> <xs:choice>
> <xs:element ref="ifc:IfcPresentationStyle"/>
> </xs:choice>
> </xs:group>

> EXPRESS Specification:

> TYPE IfcStyleAssignmentSelect = SELECT (
> | IfcPresentationStyle);
> END_TYPE;

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