AccountLoginPageLoadedHook example

$customer = $context->getCustomer();

        if ($customer !== null && $customer->getGuest() === false) {
            $request->request->set('redirectTo', $redirect);

            return $this->createActionResponse($request);
        }

        $page = $this->loginPageLoader->load($request, $context);

        $this->hook(new AccountLoginPageLoadedHook($page, $context));

        return $this->renderStorefront('@Storefront/storefront/page/account/register/index.html.twig', [
            'redirectTo' => $redirect,
            'redirectParameters' => $request->get('redirectParameters', json_encode([])),
            'errorRoute' => $request->attributes->get('_route'),
            'page' => $page,
            'loginError' => (bool) $request->get('loginError'),
            'waitTime' => $request->get('waitTime'),
            'errorSnippet' => $request->get('errorSnippet'),
            'data' => $data,
        ]);
    }