OneSignal\Devices::csvExport PHP 메소드

    public function csvExport(array $extraFields = [])
    {
        $url = '/players/csv_export?app_id=' . $this->api->getConfig()->getApplicationId();
        $headers = ['Authorization' => 'Basic ' . $this->api->getConfig()->getApplicationAuthKey()];
        $body = ['extra_fields' => $extraFields];
        return $this->api->request('POST', $url, $headers, json_encode($body));
    }