public function rowValue($attribute, $template)
    {
        if (! empty($template)) {
            if (! is_callable($template) && Arr::get($this->data, $template)) {
                $this->data[$attribute] = Arr::get($this->data, $template);
            } else {
                $this->data[$attribute] = Helper::compileContent($template, $this->data, $this->row);
            }
        }

        return $this;
    }