public function getConfigParam($name)
    {
        $result = null;
        $config = $this->getConfiguration();
        $parts  = explode('.', $name);
        foreach ($parts as $key) {
            if (isset($config[$key])) {
                $result = $config = $config[$key];
            } else {
                $result = null;
                break;
            }
        }
        return $result;
    }