diff --git a/src/Bundle/ChillActivityBundle/Notification/ActivityNotificationRenderer.php b/src/Bundle/ChillActivityBundle/Notification/ActivityNotificationHandler.php
similarity index 60%
rename from src/Bundle/ChillActivityBundle/Notification/ActivityNotificationRenderer.php
rename to src/Bundle/ChillActivityBundle/Notification/ActivityNotificationHandler.php
index 2d3d333d9..31e68f95b 100644
--- a/src/Bundle/ChillActivityBundle/Notification/ActivityNotificationRenderer.php
+++ b/src/Bundle/ChillActivityBundle/Notification/ActivityNotificationHandler.php
@@ -12,11 +12,19 @@ declare(strict_types=1);
 namespace Chill\ActivityBundle\Notification;
 
 use Chill\ActivityBundle\Entity\Activity;
+use Chill\ActivityBundle\Repository\ActivityRepository;
 use Chill\MainBundle\Entity\Notification;
 use Chill\MainBundle\Notification\NotificationHandlerInterface;
 
-final class ActivityNotificationRenderer implements NotificationHandlerInterface
+final class ActivityNotificationHandler implements NotificationHandlerInterface
 {
+    private ActivityRepository $activityRepository;
+
+    public function __construct(ActivityRepository $activityRepository)
+    {
+        $this->activityRepository = $activityRepository;
+    }
+
     public function getTemplate()
     {
         return '@ChillActivity/Activity/showInNotification.html.twig';
@@ -24,7 +32,10 @@ final class ActivityNotificationRenderer implements NotificationHandlerInterface
 
     public function getTemplateData(Notification $notification)
     {
-        return ['notification' => $notification];
+        return [
+            'notification' => $notification,
+            'activity' => $this->activityRepository->find($notification->getRelatedEntityId()),
+        ];
     }
 
     public function supports(Notification $notification, array $options = []): bool
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/showInNotification.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/showInNotification.html.twig
index 79badfe26..af1b5d884 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/showInNotification.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/showInNotification.html.twig
@@ -1,2 +1,10 @@
-
-<a href="{{ path('chill_activity_activity_show', {'id': notification.relatedEntityId })  }}">Go to Activity</a>
+{# available variables: notification, activity #}
+{% if activity is not null %}
+    {% if is_granted('CHILL_ACTIVITY_SEE', activity) %}
+        <a href="{{ path('chill_activity_activity_show', {'id': activity.id })  }}">Go to Activity</a>
+    {% else %}
+        you are not allowed to see it details. This is the minimal data: {{ activity.id }}
+    {% endif %}
+{% else %}
+    You get notified of an activity which does not exists any more.
+{% endif %}
diff --git a/src/Bundle/ChillPersonBundle/Notification/AccompanyingPeriodNotificationRenderer.php b/src/Bundle/ChillPersonBundle/Notification/AccompanyingPeriodNotificationHandler.php
similarity index 57%
rename from src/Bundle/ChillPersonBundle/Notification/AccompanyingPeriodNotificationRenderer.php
rename to src/Bundle/ChillPersonBundle/Notification/AccompanyingPeriodNotificationHandler.php
index 934f3f1c0..0297c5f39 100644
--- a/src/Bundle/ChillPersonBundle/Notification/AccompanyingPeriodNotificationRenderer.php
+++ b/src/Bundle/ChillPersonBundle/Notification/AccompanyingPeriodNotificationHandler.php
@@ -14,9 +14,17 @@ namespace Chill\PersonBundle\Notification;
 use Chill\MainBundle\Entity\Notification;
 use Chill\MainBundle\Notification\NotificationHandlerInterface;
 use Chill\PersonBundle\Entity\AccompanyingPeriod;
+use Chill\PersonBundle\Repository\AccompanyingPeriodRepository;
 
-final class AccompanyingPeriodNotificationRenderer implements NotificationHandlerInterface
+final class AccompanyingPeriodNotificationHandler implements NotificationHandlerInterface
 {
+    private AccompanyingPeriodRepository $accompanyingPeriodRepository;
+
+    public function __construct(AccompanyingPeriodRepository $accompanyingPeriodRepository)
+    {
+        $this->accompanyingPeriodRepository = $accompanyingPeriodRepository;
+    }
+
     public function getTemplate()
     {
         return 'ChillPersonBundle:AccompanyingPeriod:showInNotification.html.twig';
@@ -24,7 +32,10 @@ final class AccompanyingPeriodNotificationRenderer implements NotificationHandle
 
     public function getTemplateData(Notification $notification)
     {
-        return ['notification' => $notification];
+        return [
+            'notification' => $notification,
+            'period' => $this->accompanyingPeriodRepository->find($notification->getRelatedEntityId()),
+        ];
     }
 
     public function supports(Notification $notification)
diff --git a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingPeriod/showInNotification.html.twig b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingPeriod/showInNotification.html.twig
index d92de8cba..92eb251b0 100644
--- a/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingPeriod/showInNotification.html.twig
+++ b/src/Bundle/ChillPersonBundle/Resources/views/AccompanyingPeriod/showInNotification.html.twig
@@ -1,3 +1,12 @@
-<a href="{{ path('chill_person_accompanying_course_index', {'accompanying_period_id': notification.relatedEntityId })  }}">
-    Go to Acc. period.
-</a>
+{# variables availables: notification, period.  #}
+{% if period is not null %}
+    {% if is_granted('CHILL_PERSON_ACCOMPANYING_PERIOD_SEE', period) %}
+        <a href="{{ path('chill_person_accompanying_course_index', {'accompanying_period_id': notification.relatedEntityId })  }}">
+            Go to Acc. period.
+        </a>
+    {% else %}
+        You are getting a notification for a period you are not allowed to see. This is the minimal details: {{ period.id }}
+    {% endif %}
+{% else %}
+    <div>You are getting a notification for a period which does not exists any more</div>
+{% endif %}
diff --git a/src/Bundle/ChillPersonBundle/config/services/notification.yaml b/src/Bundle/ChillPersonBundle/config/services/notification.yaml
index c5d04f983..a7c9f4142 100644
--- a/src/Bundle/ChillPersonBundle/config/services/notification.yaml
+++ b/src/Bundle/ChillPersonBundle/config/services/notification.yaml
@@ -1,4 +1,4 @@
 services:
-    Chill\PersonBundle\Notification\AccompanyingPeriodNotificationRenderer:
+    Chill\PersonBundle\Notification\AccompanyingPeriodNotificationHandler:
         autowire: true
         autoconfigure: true