diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 7fc8e20..b2a5fd4 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -49,11 +49,11 @@ final class BackendController extends Controller
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/EventManagement/Theme/Backend/eventmanagement-list');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1004201001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1004201001, $request, $response);
 
         /** @var \Modules\EventManagement\Models\Event[] $events */
         $events = EventMapper::getAll()->sort('id', OrderType::DESC)->limit(25);
-        $view->addData('events', $events);
+        $view->data['events'] = $events;
 
         return $view;
     }
@@ -74,7 +74,7 @@ final class BackendController extends Controller
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/EventManagement/Theme/Backend/eventmanagement-create');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1004201001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1004201001, $request, $response);
 
         return $view;
     }
@@ -94,28 +94,28 @@ final class BackendController extends Controller
     public function viewEventManagementProfile(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : RenderableInterface
     {
         /** @var \phpOMS\Model\Html\Head $head */
-        $head = $response->get('Content')->getData('head');
+        $head = $response->get('Content')->head;
         $head->addAsset(AssetType::CSS, '/Modules/Calendar/Theme/Backend/css/styles.css?v=1.0.0');
 
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/EventManagement/Theme/Backend/eventmanagement-profile');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1004201001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1004201001, $request, $response);
 
         $taskListView = new \Modules\Tasks\Theme\Backend\Components\Tasks\ListView($this->app->l11nManager, $request, $response);
         $taskListView->setTemplate('/Modules/Tasks/Theme/Backend/Components/Tasks/list');
-        $view->addData('tasklist', $taskListView);
+        $view->data['tasklist'] = $taskListView;
 
         $calendarView = new \Modules\Calendar\Theme\Backend\Components\Calendar\BaseView($this->app->l11nManager, $request, $response);
         $calendarView->setTemplate('/Modules/Calendar/Theme/Backend/Components/Calendar/mini');
-        $view->addData('calendar', $calendarView);
+        $view->data['calendar'] = $calendarView;
 
         $mediaListView = new \Modules\Media\Views\MediaView($this->app->l11nManager, $request, $response);
         $mediaListView->setTemplate('/Modules/Media/Theme/Backend/Components/Media/list');
-        $view->addData('medialist', $mediaListView);
+        $view->data['medialist'] = $mediaListView;
 
         /** @var \Modules\EventManagement\Models\Event $event */
         $event = EventMapper::get()->where('id', (int) $request->getData('id'))->execute();
-        $view->addData('event', $event);
+        $view->data['event'] = $event;
 
         return $view;
     }
diff --git a/Theme/Backend/eventmanagement-create.tpl.php b/Theme/Backend/eventmanagement-create.tpl.php
index db396c0..cc88827 100755
--- a/Theme/Backend/eventmanagement-create.tpl.php
+++ b/Theme/Backend/eventmanagement-create.tpl.php
@@ -12,7 +12,7 @@
  */
 declare(strict_types=1);
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="row">
     <div class="col-xs-12 col-md-6">
diff --git a/Theme/Backend/eventmanagement-list.tpl.php b/Theme/Backend/eventmanagement-list.tpl.php
index adc6ea3..2dac769 100755
--- a/Theme/Backend/eventmanagement-list.tpl.php
+++ b/Theme/Backend/eventmanagement-list.tpl.php
@@ -17,9 +17,9 @@ $footerView->setTemplate('/Web/Templates/Lists/Footer/PaginationBig');
 $footerView->setPages(20);
 $footerView->setPage(1);
 
-$events = $this->getData('events');
+$events = $this->data['events'];
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="row">
     <div class="col-xs-12">
diff --git a/Theme/Backend/eventmanagement-profile.tpl.php b/Theme/Backend/eventmanagement-profile.tpl.php
index eac9ffc..1e1b918 100755
--- a/Theme/Backend/eventmanagement-profile.tpl.php
+++ b/Theme/Backend/eventmanagement-profile.tpl.php
@@ -12,10 +12,10 @@
  */
 declare(strict_types=1);
 
-$event = $this->getData('event');
+$event = $this->data['event'];
 $tasks = $event->getTasks();
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="row">
     <div class="col-xs-12 col-md-6">