diff --git a/web/modules/custom/materio_expo/materio_expo.routing.yml b/web/modules/custom/materio_expo/materio_expo.routing.yml
index 86c3b16..c068bba 100644
--- a/web/modules/custom/materio_expo/materio_expo.routing.yml
+++ b/web/modules/custom/materio_expo/materio_expo.routing.yml
@@ -1,14 +1,18 @@
-materio_expo.qr_controller_getfile:
-  path: '/materio_expo/qr/file/{ref}'
-  defaults:
-    _controller: '\Drupal\materio_expo\Controller\QRController::getfile'
-    # _title: 'Get File'
-  requirements:
-    _permission: 'access content'
 materio_expo.get_email:
   path: '/materio_expo/qr/form/{ref}'
   defaults:
     _form: '\Drupal\materio_expo\Form\GetEmail'
-    # _title: ''
   requirements:
     _access: 'TRUE'
+materio_expo.qr_controller_setcookie:
+  path: '/materio_expo/qr/cookie/{ref}'
+  defaults:
+    _controller: '\Drupal\materio_expo\Controller\QRController::setcookie'
+  requirements:
+    _permission: 'access content'
+materio_expo.qr_controller_getfile:
+  path: '/materio_expo/qr/file/{ref}'
+  defaults:
+    _controller: '\Drupal\materio_expo\Controller\QRController::getfile'
+  requirements:
+    _permission: 'access content'
\ No newline at end of file
diff --git a/web/modules/custom/materio_expo/src/Controller/QRController.php b/web/modules/custom/materio_expo/src/Controller/QRController.php
index a1e550a..f34e52f 100644
--- a/web/modules/custom/materio_expo/src/Controller/QRController.php
+++ b/web/modules/custom/materio_expo/src/Controller/QRController.php
@@ -5,24 +5,35 @@ namespace Drupal\materio_expo\Controller;
 use Drupal\Core\Controller\ControllerBase;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Drupal\Core\Url;
+use Symfony\Component\HttpFoundation\Cookie;
 
 /**
  * Class QRController.
  */
 class QRController extends ControllerBase {
 
+  public function setcookie($ref) {
+    //? https://drupal.stackexchange.com/questions/278203/how-do-i-set-a-cookie-using-response-headers-setcookie-in-a-form-submission
+
+    // $form_state->setRedirect('materio_expo.qr_controller_getfile', ['ref'=>$ref]);
+    // $response = new RedirectResponse(!empty($destination) ? $destination : '/');
+
+    $url = Url::fromRoute('materio_expo.qr_controller_getfile', ['ref'=>$ref]);
+    $response = new RedirectResponse($url->toString());
+    $response->headers->setCookie(new Cookie('materio_expo_email', true, strtotime( '+3 days' ), '/'));
+    $response->send();
+    return $response;
+  }
+
   /**
-   * Hello.
-   *
-   * @return string
-   *   Return Hello string.
    */
   public function getfile($ref) {
     //? https://drupal.stackexchange.com/questions/255216/how-to-do-a-redirectresponse-with-a-destination-query-parameter
 
     //* check if email cookie is present (form submitted)
-    $session = \Drupal::request()->getSession();
-    $alreadysetemail = $session->get('materio_expo_email');
+    // $session = \Drupal::request()->getSession();
+    // $alreadysetemail = $session->get('materio_expo_email');
+    $alreadysetemail = \Drupal::request()->cookies->get('materio_expo_email', false);
     if($alreadysetemail){
 
       //* get node from ref
diff --git a/web/modules/custom/materio_expo/src/Form/GetEmail.php b/web/modules/custom/materio_expo/src/Form/GetEmail.php
index 69fd9ef..61e3f39 100644
--- a/web/modules/custom/materio_expo/src/Form/GetEmail.php
+++ b/web/modules/custom/materio_expo/src/Form/GetEmail.php
@@ -4,7 +4,6 @@ namespace Drupal\materio_expo\Form;
 
 use Drupal\Core\Form\FormBase;
 use Drupal\Core\Form\FormStateInterface;
-// use Symfony\Component\HttpFoundation\Cookie;
 use Symfony\Component\HttpFoundation\RedirectResponse;
 use Drupal\Core\Url;
 use Symfony\Component\DependencyInjection\ContainerInterface;
@@ -52,8 +51,9 @@ class GetEmail extends FormBase {
   public function buildForm(array $form, FormStateInterface $form_state, $ref = null) {
     
     // check if email cookie is already present
-    $session = \Drupal::request()->getSession();
-    $alreadysetemail = $session->get('materio_expo_email');
+    // $session = \Drupal::request()->getSession();
+    // $alreadysetemail = $session->get('materio_expo_email');
+    $alreadysetemail = \Drupal::request()->cookies->get('materio_expo_email', false);
     if($alreadysetemail){
       // https://x-team.com/blog/drupal-goto/
       $url = Url::fromRoute('materio_expo.qr_controller_getfile', ['ref'=>$ref], ['absolute' => TRUE]);
@@ -145,7 +145,7 @@ class GetEmail extends FormBase {
 
     //* redirect to getfile controller
     $ref = $values['ref'];
-    $form_state->setRedirect('materio_expo.qr_controller_getfile', ['ref'=>$ref]);
+    $form_state->setRedirect('materio_expo.qr_controller_setcookie', ['ref'=>$ref]);
 
   }