protected function parseAdditionaAttributes($additionalAttributes)
    {

        // load the global configuration
        $configuration = $this->getSubject()->getConfiguration()->getConfiguration();

        // initializet delimiter, enclosure and escape char
        $delimiter = $configuration->getDelimiter();
        $enclosure = $configuration->getEnclosure();
        $escape = $configuration->getEscape();

        // parse and return the found data as array
        return str_getcsv($additionalAttributes, $delimiter, $enclosure, $escape);
    }