public function getConfigSelectedCustomOrderAttributes($website = 0)
    {
        $customAttributes = $this->getWebsiteConfig(
            \Dotdigitalgroup\Email\Helper\Config::XML_PATH_CONNECTOR_CUSTOM_ORDER_ATTRIBUTES,
            $website
        );
        if ($customAttributes) {
            return explode(',', $customAttributes);
        } else {
            return false;
        }
    }