diff --git a/Controller/ApiController.php b/Controller/ApiController.php
index 04fcb8d..dfce17b 100755
--- a/Controller/ApiController.php
+++ b/Controller/ApiController.php
@@ -96,7 +96,7 @@ final class ApiController extends Controller
     public function apiTaskCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateTaskCreate($request))) {
-            $response->set($request->uri->__toString(), new FormValidation($val));
+            $response->data[$request->uri->__toString()] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -106,7 +106,7 @@ final class ApiController extends Controller
         $task = $this->createTaskFromRequest($request);
         $this->createModel($request->header->account, $task, TaskMapper::class, 'task', $request->getOrigin());
 
-        if (!empty($request->getFiles())
+        if (!empty($request->files)
             || !empty($request->getDataJson('media'))
         ) {
             $this->createTaskMedia($task, $request);
@@ -117,7 +117,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulCreate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulCreate'),
             $task
         );
     }
@@ -139,7 +139,7 @@ final class ApiController extends Controller
         /** @var \Modules\Admin\Models\Account $account */
         $account = AccountMapper::get()->where('id', $request->header->account)->execute();
 
-        if (!empty($uploadedFiles = $request->getFiles())) {
+        if (!empty($uploadedFiles = $request->files)) {
             $uploaded = $this->app->moduleManager->get('Media')->uploadFiles(
                 names: [],
                 fileNames: [],
@@ -386,7 +386,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulUpdate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulUpdate'),
             $new
         );
     }
@@ -453,7 +453,7 @@ final class ApiController extends Controller
     public function apiTaskElementCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateTaskElementCreate($request))) {
-            $response->set('task_element_create', new FormValidation($val));
+            $response->data['task_element_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -474,7 +474,7 @@ final class ApiController extends Controller
 
         $this->createModel($request->header->account, $element, TaskElementMapper::class, 'taskelement', $request->getOrigin());
 
-        if (!empty($request->getFiles())
+        if (!empty($request->files)
             || !empty($request->getDataJson('media'))
         ) {
             $this->createTaskElementMedia($task, $element, $request);
@@ -491,7 +491,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulCreate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulCreate'),
             $element
         );
     }
@@ -514,7 +514,7 @@ final class ApiController extends Controller
         /** @var \Modules\Admin\Models\Account $account */
         $account = AccountMapper::get()->where('id', $request->header->account)->execute();
 
-        if (!empty($uploadedFiles = $request->getFiles())) {
+        if (!empty($uploadedFiles = $request->files)) {
             $uploaded = $this->app->moduleManager->get('Media')->uploadFiles(
                 [],
                 [],
@@ -726,7 +726,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulUpdate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulUpdate'),
             $new
         );
     }
@@ -784,7 +784,7 @@ final class ApiController extends Controller
     public function apiTaskAttributeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateTaskAttributeCreate($request))) {
-            $response->set('attribute_create', new FormValidation($val));
+            $response->data['attribute_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -798,7 +798,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulCreate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulCreate'),
             $attribute
         );
     }
@@ -870,7 +870,7 @@ final class ApiController extends Controller
     public function apiTaskAttributeTypeL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateTaskAttributeTypeL11nCreate($request))) {
-            $response->set('attr_type_l11n_create', new FormValidation($val));
+            $response->data['attr_type_l11n_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -884,7 +884,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulCreate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulCreate'),
             $attrL11n
         );
     }
@@ -903,7 +903,7 @@ final class ApiController extends Controller
         $attrL11n      = new BaseStringL11n();
         $attrL11n->ref = $request->getDataInt('type') ?? 0;
         $attrL11n->setLanguage(
-            $request->getDataString('language') ?? $request->getLanguage()
+            $request->getDataString('language') ?? $request->header->l11n->language
         );
         $attrL11n->content = $request->getDataString('title') ?? '';
 
@@ -947,7 +947,7 @@ final class ApiController extends Controller
     public function apiTaskAttributeTypeCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateTaskAttributeTypeCreate($request))) {
-            $response->set('attr_type_create', new FormValidation($val));
+            $response->data['attr_type_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -961,7 +961,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulCreate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulCreate'),
             $attrType
         );
     }
@@ -1024,7 +1024,7 @@ final class ApiController extends Controller
     public function apiTaskAttributeValueCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateTaskAttributeValueCreate($request))) {
-            $response->set('attr_value_create', new FormValidation($val));
+            $response->data['attr_value_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -1047,7 +1047,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulCreate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulCreate'),
             $attrValue
         );
     }
@@ -1116,7 +1116,7 @@ final class ApiController extends Controller
     public function apiTaskAttributeValueL11nCreate(RequestAbstract $request, ResponseAbstract $response, mixed $data = null) : void
     {
         if (!empty($val = $this->validateTaskAttributeValueL11nCreate($request))) {
-            $response->set('attr_value_l11n_create', new FormValidation($val));
+            $response->data['attr_value_l11n_create'] = new FormValidation($val);
             $response->header->status = RequestStatusCode::R_400;
 
             return;
@@ -1130,7 +1130,7 @@ final class ApiController extends Controller
             $response,
             NotificationLevel::OK,
             '',
-            $this->app->l11nManager->getText($response->getLanguage(), '0', '0', 'SucessfulCreate'),
+            $this->app->l11nManager->getText($response->header->l11n->language, '0', '0', 'SucessfulCreate'),
             $attrL11n
         );
     }
@@ -1149,7 +1149,7 @@ final class ApiController extends Controller
         $attrL11n      = new BaseStringL11n();
         $attrL11n->ref = $request->getDataInt('value') ?? 0;
         $attrL11n->setLanguage(
-            $request->getDataString('language') ?? $request->getLanguage()
+            $request->getDataString('language') ?? $request->header->l11n->language
         );
         $attrL11n->content = $request->getDataString('title') ?? '';
 
diff --git a/Controller/BackendController.php b/Controller/BackendController.php
index 300cf30..bf26e20 100755
--- a/Controller/BackendController.php
+++ b/Controller/BackendController.php
@@ -62,38 +62,32 @@ final class BackendController extends Controller implements DashboardElementInte
         $view = new View($this->app->l11nManager, $request, $response);
 
         /** @var \phpOMS\Model\Html\Head $head */
-        $head = $response->get('Content')->getData('head');
+        $head = $response->get('Content')->head;
         $head->addAsset(AssetType::CSS, 'Modules/Tasks/Theme/Backend/css/styles.css?v=1.0.0');
 
         $view->setTemplate('/Modules/Tasks/Theme/Backend/task-dashboard');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response);
 
         $mapperQuery = TaskMapper::getAnyRelatedToUser($request->header->account)
             ->with('tags')
             ->with('tags/title')
             ->where('status', TaskStatus::OPEN, '!=')
-            ->where('tags/title/language', $response->getLanguage())
+            ->where('tags/title/language', $response->header->l11n->language)
             ->sort('createdAt', OrderType::DESC)
             ->limit(25);
 
         if ($request->getData('ptype') === 'p') {
-            $view->setData('tasks',
-                $mapperQuery->with('createdBy')
+            $view->data['tasks'] = $mapperQuery->with('createdBy')
                     ->where('id', $request->getDataInt('id') ?? 0, '<')
-                    ->execute()
-            );
+                    ->execute();
         } elseif ($request->getData('ptype') === 'n') {
-            $view->setData('tasks',
-                $mapperQuery->with('createdBy')
+            $view->data['tasks'] = $mapperQuery->with('createdBy')
                     ->where('id', $request->getDataInt('id') ?? 0, '>')
-                    ->execute()
-            );
+                    ->execute();
         } else {
-            $view->setData('tasks',
-                $mapperQuery->with('createdBy')
+            $view->data['tasks'] = $mapperQuery->with('createdBy')
                     ->where('id', 0, '>')
-                    ->execute()
-            );
+                    ->execute();
         }
 
         $openQuery = new Builder($this->app->dbPool->get(), true);
@@ -108,13 +102,13 @@ final class BackendController extends Controller implements DashboardElementInte
             ->with('createdBy')
             ->with('tags')
             ->with('tags/title')
-            ->where('tags/title/language', $response->getLanguage())
+            ->where('tags/title/language', $response->header->l11n->language)
             ->where('status', TaskStatus::OPEN)
             ->sort('createdAt', OrderType::DESC)
             ->query($openQuery)
             ->execute();
 
-        $view->setData('open', $open);
+        $view->data['open'] = $open;
 
         return $view;
     }
@@ -126,12 +120,12 @@ final class BackendController extends Controller implements DashboardElementInte
     public function viewDashboard(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/Tasks/Theme/Backend/css/styles.css?v=1.0.0');
 
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Tasks/Theme/Backend/dashboard-task');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response);
 
         /** @var \Modules\Tasks\Models\Task[] $tasks */
         $tasks = TaskMapper::getAnyRelatedToUser($request->header->account)
@@ -140,10 +134,10 @@ final class BackendController extends Controller implements DashboardElementInte
             ->sort('taskElements/createdAt', OrderType::DESC)
             ->limit(5)
             ->where('id', 0, '>')
-            ->where('tags/title/language', $response->getLanguage())
+            ->where('tags/title/language', $response->header->l11n->language)
             ->execute();
 
-        $view->addData('tasks', $tasks);
+        $view->data['tasks'] = $tasks;
 
         return $view;
     }
@@ -176,15 +170,15 @@ final class BackendController extends Controller implements DashboardElementInte
             $view->setTemplate('/Web/Backend/Error/403');
 
             $this->app->loadLanguageFromPath(
-                $response->getLanguage(),
-                __DIR__ . '/../../../Web/Backend/Error/lang/' . $response->getLanguage() . '.lang.php'
+                $response->header->l11n->language,
+                __DIR__ . '/../../../Web/Backend/Error/lang/' . $response->header->l11n->language . '.lang.php'
             );
 
             return $view;
         }
 
         /** @var \phpOMS\Model\Html\Head $head */
-        $head = $response->get('Content')->getData('head');
+        $head = $response->get('Content')->head;
         $head->addAsset(AssetType::CSS, 'Modules/Tasks/Theme/Backend/css/styles.css?v=1.0.0');
 
         /** @var \Modules\Tasks\Models\Task $task */
@@ -199,7 +193,7 @@ final class BackendController extends Controller implements DashboardElementInte
             ->with('taskElements/accRelation')
             ->with('taskElements/accRelation/relation')
             ->where('id', (int) $request->getData('id'))
-            ->where('tags/title/language', $request->getLanguage())
+            ->where('tags/title/language', $request->header->l11n->language)
             ->execute();
 
         $accountId = $request->header->account;
@@ -216,14 +210,14 @@ final class BackendController extends Controller implements DashboardElementInte
         }
 
         $view->setTemplate('/Modules/Tasks/Theme/Backend/task-single');
-        $view->addData('task', $task);
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response));
+        $view->data['task'] = $task;
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response);
 
         $accGrpSelector = new \Modules\Profile\Theme\Backend\Components\AccountGroupSelector\BaseView($this->app->l11nManager, $request, $response);
-        $view->addData('accGrpSelector', $accGrpSelector);
+        $view->data['accGrpSelector'] = $accGrpSelector;
 
         $editor = new \Modules\Editor\Theme\Backend\Components\Editor\BaseView($this->app->l11nManager, $request, $response);
-        $view->addData('editor', $editor);
+        $view->data['editor'] = $editor;
 
         return $view;
     }
@@ -245,13 +239,13 @@ final class BackendController extends Controller implements DashboardElementInte
         $view = new View($this->app->l11nManager, $request, $response);
 
         $view->setTemplate('/Modules/Tasks/Theme/Backend/task-create');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response);
 
         $accGrpSelector = new \Modules\Profile\Theme\Backend\Components\AccountGroupSelector\BaseView($this->app->l11nManager, $request, $response);
-        $view->addData('accGrpSelector', $accGrpSelector);
+        $view->data['accGrpSelector'] = $accGrpSelector;
 
         $editor = new \Modules\Editor\Theme\Backend\Components\Editor\BaseView($this->app->l11nManager, $request, $response);
-        $view->addData('editor', $editor);
+        $view->data['editor'] = $editor;
 
         return $view;
     }
@@ -272,7 +266,7 @@ final class BackendController extends Controller implements DashboardElementInte
     {
         $view = new View($this->app->l11nManager, $request, $response);
         $view->setTemplate('/Modules/Tasks/Theme/Backend/task-analysis');
-        $view->addData('nav', $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response));
+        $view->data['nav'] = $this->app->moduleManager->get('Navigation')->createNavigationMid(1001101001, $request, $response);
 
         return $view;
     }
diff --git a/Models/Task.php b/Models/Task.php
index 2a21359..45b74bd 100755
--- a/Models/Task.php
+++ b/Models/Task.php
@@ -231,18 +231,6 @@ class Task implements \JsonSerializable
         $this->due->modify('+1 day');
     }
 
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
-
     /**
      * Adding new task element.
      *
diff --git a/Models/TaskAttribute.php b/Models/TaskAttribute.php
index cb1f31a..f3452b6 100755
--- a/Models/TaskAttribute.php
+++ b/Models/TaskAttribute.php
@@ -67,18 +67,6 @@ class TaskAttribute implements \JsonSerializable
         $this->value = new NullTaskAttributeValue();
     }
 
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
-
     /**
      * {@inheritdoc}
      */
diff --git a/Models/TaskAttributeType.php b/Models/TaskAttributeType.php
index 6ef3805..708b11b 100755
--- a/Models/TaskAttributeType.php
+++ b/Models/TaskAttributeType.php
@@ -105,18 +105,6 @@ class TaskAttributeType implements \JsonSerializable
         $this->name = $name;
     }
 
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
-
     /**
      * Set l11n
      *
diff --git a/Models/TaskAttributeValue.php b/Models/TaskAttributeValue.php
index 276e202..09775b9 100755
--- a/Models/TaskAttributeValue.php
+++ b/Models/TaskAttributeValue.php
@@ -108,17 +108,6 @@ class TaskAttributeValue implements \JsonSerializable
      */
     private ?BaseStringL11n $l11n = null;
 
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
 
     /**
      * Set l11n
diff --git a/Models/TaskElement.php b/Models/TaskElement.php
index 87cb935..9082635 100755
--- a/Models/TaskElement.php
+++ b/Models/TaskElement.php
@@ -139,18 +139,6 @@ class TaskElement implements \JsonSerializable
         $this->createdBy = new NullAccount();
     }
 
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
-
     /**
      * Get all media
      *
diff --git a/Models/TaskSeen.php b/Models/TaskSeen.php
index bb03589..7f03f95 100755
--- a/Models/TaskSeen.php
+++ b/Models/TaskSeen.php
@@ -56,15 +56,4 @@ class TaskSeen
         $this->seenAt = new \DateTime('now');
     }
 
-    /**
-     * Get id
-     *
-     * @return int
-     *
-     * @since 1.0.0
-     */
-    public function getId() : int
-    {
-        return $this->id;
-    }
 }
diff --git a/Theme/Backend/dashboard-task.tpl.php b/Theme/Backend/dashboard-task.tpl.php
index 7eaffb1..e680015 100755
--- a/Theme/Backend/dashboard-task.tpl.php
+++ b/Theme/Backend/dashboard-task.tpl.php
@@ -15,7 +15,7 @@ declare(strict_types=1);
 use Modules\Tasks\Models\TaskPriority;
 use phpOMS\Uri\UriFactory;
 
-$tasksList = $this->getData('tasks') ?? [];
+$tasksList = $this->data['tasks'] ?? [];
 ?>
 
 <div id="tasks-dashboard" class="col-xs-12 col-md-6" draggable="true">
diff --git a/Theme/Backend/task-analysis.tpl.php b/Theme/Backend/task-analysis.tpl.php
index 10e9e71..e9b54b9 100755
--- a/Theme/Backend/task-analysis.tpl.php
+++ b/Theme/Backend/task-analysis.tpl.php
@@ -13,7 +13,7 @@
 declare(strict_types=1);
 
 /** @var \phpOMS\Views\View $this */
-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/task-create.tpl.php b/Theme/Backend/task-create.tpl.php
index fe6384a..df85a6d 100755
--- a/Theme/Backend/task-create.tpl.php
+++ b/Theme/Backend/task-create.tpl.php
@@ -16,7 +16,7 @@ use Modules\Tasks\Models\TaskPriority;
 use Modules\Tasks\Models\TaskType;
 
 /** @var \phpOMS\Views\View $this */
-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/task-dashboard.tpl.php b/Theme/Backend/task-dashboard.tpl.php
index 951b6b6..81e13c6 100755
--- a/Theme/Backend/task-dashboard.tpl.php
+++ b/Theme/Backend/task-dashboard.tpl.php
@@ -17,14 +17,14 @@ use phpOMS\Uri\UriFactory;
 
 /** @var \phpOMS\Views\View $this */
 /** @var \Modules\Tasks\Models\Task[] $tasks */
-$tasks = $this->getData('tasks') ?? [];
+$tasks = $this->data['tasks'] ?? [];
 
 $previous = empty($tasks) ? 'task/dashboard' : 'task/dashboard?{?}&id=' . \reset($tasks)->id . '&ptype=p';
 $next     = empty($tasks) ? 'task/dashboard' : 'task/dashboard?{?}&id=' . \end($tasks)->id . '&ptype=n';
 
-$open = $this->getData('open');
+$open = $this->data['open'];
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="tabview tab-2">
     <div class="box wf-100 col-xs-12">
diff --git a/Theme/Backend/task-single.tpl.php b/Theme/Backend/task-single.tpl.php
index 50035f0..ff94636 100755
--- a/Theme/Backend/task-single.tpl.php
+++ b/Theme/Backend/task-single.tpl.php
@@ -20,13 +20,13 @@ use phpOMS\Uri\UriFactory;
 
 /** @var Modules\Tasks\Views\TaskView $this */
 /** @var Modules\Tasks\Models\Task $task */
-$task      = $this->getData('task');
+$task      = $this->data['task'];
 $taskMedia = $task->getMedia();
 $elements  = $task->invertTaskElements();
 $cElements = \count($elements);
 $color     = $this->getStatus($task->getStatus());
 
-echo $this->getData('nav')->render(); ?>
+echo $this->data['nav']->render(); ?>
 
 <div class="row">
     <div class="col-md-6 col-xs-12">