API Reference > OdIfc4 Namespace > Classes > IfcMaterialRelationship Class > IfcMaterialRelationship Methods > IfcMaterialRelationship::setExpression Method
IfcMaterialRelationship::setExpression Method
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Syntax
C++
void setExpression(OdAnsiString Expression);
Description

This is setExpression, a member of class IfcMaterialRelationship.

Group
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