Scalr\Service\Aws\AbstractDataType::appendContentToElement PHP Method

    public function appendContentToElement(\DOMNode $toElement)
    {
        $dom = $this->toXml(true);
        $child = $dom->firstChild;
        while ($child !== null) {
            $toElement->appendChild($toElement->ownerDocument->importNode($child, true));
            $child = $child->nextSibling;
        }
        return $toElement;
    }