public function registerMainWebhook($listId, $webhookurl)
    {
        // Configure webhook
        $subscribeWebhook = [
            'url' => $webhookurl,
            'events' => [
                'subscribe'   => true,
                'unsubscribe' => true,
                'profile'     => true,
                'cleaned'     => true,
                'upemail'     => true,
                'campaign'    => true
            ],
            'sources' => [
                'user'  => true,
                'admin' => true,
                'api'   => false // to avoid double (infinite loop) update (update an subscriber with the API and the webhook reupdate the user, ...)
            ]
        ];

        return $this->addWebhook($listId, $subscribeWebhook);
    }