check number of pages and redirect

[webhoes]

Hello,

I am trying to make a hook in ready.php.

A user can create a new page wich will be a child of his user template. I want to check the amout of children before adding a new page. If the count is more than 3 do a redirect.

$wire->addHookBefore('Pages::add', function(HookEvent $event) {
    // Get the object the event occurred on, if needed
    $pages = $event->object;

    // Get values of arguments sent to hook (and optionally modify them)
    $template = $event->arguments(0);
    $parent = $event->arguments(1);
    $name = $event->arguments(2);
    $values = $event->arguments(3);

    /* Your code here, perhaps modifying arguments */

    $userCount = wire('pages')->get($this->user)->children->count();

    if($template == 'animal' && $userCount > 3) $session->redirect('/subscribe/');

    //also implement check of user role user = max 3, paid-user is unlimited

    // Populate back arguments (if you have modified them)
    $event->arguments(0, $template);
    $event->arguments(1, $parent);
    $event->arguments(2, $name);
    $event->arguments(3, $values);
});

I have this code, but it seems not to do anything.