API Reference > OdIfc2x2_final Namespace > Classes > IfcLightDistributionDataSourceSelect Class > IfcLightDistributionDataSourceSelect Methods > IfcLightDistributionDataSourceSelect::setIfcExternalReference Method
IfcLightDistributionDataSourceSelect::setIfcExternalReference Method
Syntax
C++
void setIfcExternalReference(IfcExternalReference* val);
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