Ojs\CoreBundle\Events\Chain\MailEventChain::getEventParamsAsString PHP Method

    public function getEventParamsAsString(EventDetail $eventDetail)
    {
        $params = [];
        foreach ($eventDetail->getTemplateParams() as $param) {
            $params[] = '<code>[[' . $param . ']]</code>';
        }
        return implode(',', $params);
    }