public function run(): string
    {
        if (null === $this->language) {
            throw new InvalidConfigException('Language model is not defined.');
        }

        if (strpos($this->name, '.') !== false) {

            $out = $this->getDataByPath($this->name);

        } else {
            $out = $this->model->{$this->name.'_'.$this->language->getShortName()};
        }

        return empty($out) ? $this->default : $out;
    }