public function create(MarketingEvent &$marketingEvent)
    {
        $data = $marketingEvent->exportData();
        $endpoint = '/admin/marketing_events.json';
        $response = $this->request(
            $endpoint, 'POST', array(
            'marketing_event' => $data
            )
        );
        $marketingEvent->setData($response['marketing_event']);
    }