source/Application/Model/Article.php
public function isMdVariant()
    {
        $oMdVariant = oxNew(\OxidEsales\Eshop\Application\Model\VariantHandler::class);

        return $oMdVariant->isMdVariant($this);
    }
public function isMdVariant()
    {
        $oMdVariant = oxNew(\OxidEsales\Eshop\Application\Model\VariantHandler::class);

        return $oMdVariant->isMdVariant($this);
    }
public function isMdVariant ( ) { $ oMdVariant = oxNew ( \ OxidEsales \ Eshop \ Application \ Model \ VariantHandler :: class ) ; return $ oMdVariant -> isMdVariant ( $ this ) ; }
Returns TRUE if product is multidimensional variant, and false if not

@return bool
Returns TRUE if product is multidimensional variant and false if not