namespace DatasmithMaterialsUtils { [IDatasmithMaterialExpression](API\Runtime\DatasmithCore\IDatasmithMaterialExpression) * DatasmithMaterialsUtils::CreateWeightedMaterialExpression ( const [TSharedRef](API\Runtime\Core\Templates\TSharedRef)< [IDatasmithUEPbrMaterialElement](API\Runtime\DatasmithCore\IDatasmithUEPbrMaterialElement) > & MaterialElement, const TCHAR * ParameterName, [TOptional](API\Runtime\Core\IO\TOptional)< [FLinearColor](API\Runtime\Core\Math\FLinearColor) > Color, [TOptional](API\Runtime\Core\IO\TOptional)< float > Scalar, [IDatasmithMaterialExpression](API\Runtime\DatasmithCore\IDatasmithMaterialExpression) * Expression, float Weight, EDatasmithTextureMode TextureMode ) }