Ipunkt\LaravelAnalytics\Data\Campaign::getContent PHP Method

    public function getContent()
    {
        return $this->content;
    }

 /**
  * returns the rendered content
  *
  * @return string
  */
 private function renderContent()
 {
     $content = $this->campaign->getContent();
     return empty($content) ? '' : "ga('set', 'campaignContent', '{$content}');";
 }