diff --git a/Controller/Crud.php b/Controller/Crud.php
index c38ec12..e09a720 100644
--- a/Controller/Crud.php
+++ b/Controller/Crud.php
@@ -3,6 +3,7 @@
 
 namespace Arkounay\Bundle\QuickAdminGeneratorBundle\Controller;
 
+use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\EntityService;
 use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\FieldService;
 use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\RouteExtension;
 use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\TwigLoaderService;
@@ -56,6 +57,7 @@ abstract class Crud extends AbstractController
     protected TranslatorInterface $translator;
     protected TwigLoaderService $twigLoader;
     protected QagExtensionRuntime $qagExtensionRuntime;
+    protected EntityService $entityService;
 
     /** @var EntityRepository<T>  */
     protected EntityRepository $repository;
@@ -88,7 +90,8 @@ public function setInternalDependencies(
         TranslatorInterface $translator,
         TwigLoaderService $twigLoader,
         SluggerInterface $slugger,
-        QagExtensionRuntime $qagExtensionRuntime
+        QagExtensionRuntime $qagExtensionRuntime,
+        EntityService $entityService
     ): void {
         $this->em = $em;
         $this->fieldService = $fieldService;
@@ -100,6 +103,7 @@ public function setInternalDependencies(
         $this->repository = $em->getRepository($this->getEntity());
         $this->slugger = $slugger;
         $this->qagExtensionRuntime = $qagExtensionRuntime;
+        $this->entityService = $entityService;
     }
 
     /**
@@ -323,7 +327,7 @@ public function toggleBooleanPostAction(Request $request, $entity): Response
         if (!$this->isEditableBoolean($entity)) {
             throw $this->createAccessDeniedException("Entity {$this->getEntity()} cannot be edited (boolean).");
         }
-        
+
         $index = $request->request->get('index');
         $value = $request->request->getBoolean('checked');
         $propertyAccessor = PropertyAccess::createPropertyAccessor();
@@ -637,7 +641,7 @@ protected function updateEntity($entity, bool $creation): void
         if ($event->isPropagationStopped()) {
             return;
         }
-        $this->addFlash('highlighted_row_id', $entity->getId());
+        $this->addFlash('highlighted_row_id', $this->entityService->getId($entity));
     }
 
     /**
@@ -1090,7 +1094,7 @@ protected function entityIsInList($entity): bool
     {
         return $this->getListQueryBuilder()
             ->andWhere('e.id = :id')
-            ->setParameter('id', $entity->getId())
+            ->setParameter('id', $this->entityService->getId($entity))
             ->getQuery()
             ->getOneOrNullResult() !== null;
     }
@@ -1158,7 +1162,7 @@ public function checkSecurity(string $action, $entity = null): void
                     throw $this->createAccessDeniedException("Entity {$this->getEntity()} cannot be edited.");
                 }
                 if ($this->hasQuickListQueryBuilderSecurity() && !$this->entityIsInList($entity)) {
-                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$entity->getId()} is filtered out.");
+                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$this->entityService->getId($entity)} is filtered out.");
                 }
                 if ($entity === null) {
                     throw $this->createNotFoundException("No {$this->getNameSentence()} found with id #{$this->request->attributes->get('id')}");
@@ -1174,7 +1178,7 @@ public function checkSecurity(string $action, $entity = null): void
                     throw $this->createAccessDeniedException("Entity {$this->getEntity()} is not removable.");
                 }
                 if ($this->hasQuickListQueryBuilderSecurity() && !$this->entityIsInList($entity)) {
-                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$entity->getId()} is filtered out.");
+                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$this->entityService->getId($entity)} is filtered out.");
                 }
                 break;
             case 'view':
@@ -1182,7 +1186,7 @@ public function checkSecurity(string $action, $entity = null): void
                     throw $this->createAccessDeniedException("Entity {$this->getEntity()} cannot be viewed.");
                 }
                 if ($this->hasQuickListQueryBuilderSecurity() && !$this->entityIsInList($entity)) {
-                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$entity->getId()} is filtered out.");
+                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$this->entityService->getId($entity)} is filtered out.");
                 }
                 if ($entity === null) {
                     throw $this->createNotFoundException("No {$this->getName()} found with id #{$this->request->attributes->get('id')}");
@@ -1193,7 +1197,7 @@ public function checkSecurity(string $action, $entity = null): void
                     throw $this->createAccessDeniedException("Entity {$this->getEntity()} cannot be edited.");
                 }
                 if ($this->hasQuickListQueryBuilderSecurity() && !$this->entityIsInList($entity)) {
-                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$entity->getId()} is filtered out.");
+                    throw $this->createAccessDeniedException("Entity {$this->getEntity()} #{$this->entityService->getId($entity)} is filtered out.");
                 }
                 break;
         }
@@ -1202,4 +1206,4 @@ public function checkSecurity(string $action, $entity = null): void
         $this->eventDispatcher->dispatch($event, 'qag.events.security');
     }
 
-}
\ No newline at end of file
+}
diff --git a/Controller/GlobalSearchController.php b/Controller/GlobalSearchController.php
index 8fe05ca..ca72c77 100644
--- a/Controller/GlobalSearchController.php
+++ b/Controller/GlobalSearchController.php
@@ -3,6 +3,7 @@
 
 namespace Arkounay\Bundle\QuickAdminGeneratorBundle\Controller;
 
+use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\EntityService;
 use Doctrine\ORM\Tools\Pagination\Paginator;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Component\EventDispatcher\GenericEvent;
@@ -18,7 +19,8 @@ public function __construct(
         /** @var iterable|Crud[] */
         private readonly iterable $cruds,
         private readonly EventDispatcherInterface $eventDispatcher,
-        private readonly TranslatorInterface $translator
+        private readonly TranslatorInterface $translator,
+        private readonly EntityService $entityService
     )
     {}
 
@@ -64,9 +66,9 @@ private function getSearchResults(Request $request, int $maxResults = 5): array
                             if (\count($actions) > 0) {
                                 $url = null;
                                 if ($crud->isViewable($entity)) {
-                                    $url = $this->generateUrl("qag.{$crud->getRoute()}_view", ['id' => $entity->getId(), 'highlight' => $query]);
+                                    $url = $this->generateUrl("qag.{$crud->getRoute()}_view", ['id' => $this->entityService->getId($entity), 'highlight' => $query]);
                                 } elseif ($crud->isEditable($entity)) {
-                                    $url = $this->generateUrl("qag.{$crud->getRoute()}_edit", ['id' => $entity->getId(), 'highlight' => $query]);
+                                    $url = $this->generateUrl("qag.{$crud->getRoute()}_edit", ['id' => $this->entityService->getId($entity), 'highlight' => $query]);
                                 }
 
                                 if ($url !== null) {
@@ -108,4 +110,4 @@ private function getSearchResults(Request $request, int $maxResults = 5): array
         return $searchResult;
     }
 
-}
\ No newline at end of file
+}
diff --git a/DependencyInjection/ArkounayQuickAdminGeneratorExtension.php b/DependencyInjection/ArkounayQuickAdminGeneratorExtension.php
index 296ef44..d7fcfc4 100644
--- a/DependencyInjection/ArkounayQuickAdminGeneratorExtension.php
+++ b/DependencyInjection/ArkounayQuickAdminGeneratorExtension.php
@@ -5,6 +5,7 @@
 
 
 use Arkounay\Bundle\QuickAdminGeneratorBundle\Controller\Crud;
+use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\EntityService;
 use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\FieldService;
 use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\TwigLoaderService;
 use Arkounay\Bundle\QuickAdminGeneratorBundle\Twig\Runtime\QagExtensionRuntime;
@@ -44,9 +45,10 @@ public function load(array $configs, ContainerBuilder $container): void
                 new Reference(TranslatorInterface::class),
                 new Reference(TwigLoaderService::class),
                 new Reference(SluggerInterface::class),
-                new Reference(QagExtensionRuntime::class)
+                new Reference(QagExtensionRuntime::class),
+                new Reference(EntityService::class)
             ]);
 
     }
 
-}
\ No newline at end of file
+}
diff --git a/Extension/EntityService.php b/Extension/EntityService.php
new file mode 100644
index 0000000..91d57cb
--- /dev/null
+++ b/Extension/EntityService.php
@@ -0,0 +1,19 @@
+<?php
+
+namespace Arkounay\Bundle\QuickAdminGeneratorBundle\Extension;
+
+use Doctrine\ORM\EntityManagerInterface;
+
+readonly class EntityService
+{
+
+    public function __construct(private EntityManagerInterface $em) {}
+
+    public function getId(object $entity): mixed
+    {
+        $metadata = $this->em->getClassMetadata(get_class($entity));
+        $idField = $metadata->getSingleIdentifierFieldName();
+        return $metadata->getFieldValue($entity, $idField);
+    }
+
+}
diff --git a/Resources/config/services.yaml b/Resources/config/services.yaml
index 2388b6e..5133c08 100644
--- a/Resources/config/services.yaml
+++ b/Resources/config/services.yaml
@@ -15,6 +15,9 @@ services:
         arguments:
             $formRenderer: '@twig.form.renderer'
 
+    Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\EntityService:
+        autowire: true
+
     Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\TwigLoaderService:
         autowire: true
 
@@ -67,4 +70,4 @@ services:
         arguments:
             $projectDir: '%kernel.project_dir%'
             $cruds: !tagged_iterator quickadmin.crud
-        autowire: true
\ No newline at end of file
+        autowire: true
diff --git a/Twig/Runtime/QagExtensionRuntime.php b/Twig/Runtime/QagExtensionRuntime.php
index 7c775a6..1a133f1 100644
--- a/Twig/Runtime/QagExtensionRuntime.php
+++ b/Twig/Runtime/QagExtensionRuntime.php
@@ -10,6 +10,7 @@
 use Symfony\Component\HttpFoundation\RequestStack;
 use Symfony\Component\Routing\RouterInterface;
 use Twig\Environment;
+use Arkounay\Bundle\QuickAdminGeneratorBundle\Extension\EntityService;
 use Twig\Extension\RuntimeExtensionInterface;
 
 class QagExtensionRuntime implements RuntimeExtensionInterface
@@ -22,9 +23,10 @@ public function __construct(
         private readonly RequestStack $requestStack,
         private readonly MenuInterface $menu,
         private readonly Environment $twig,
-        private readonly EventDispatcherInterface $eventDispatcher
+        private readonly EventDispatcherInterface $eventDispatcher,
+        private readonly EntityService $entityService
     ) {}
-    
+
     private function getMenuItems(): iterable
     {
         return $this->menu->generateMenu();
@@ -44,7 +46,7 @@ public function getActionHref(Action $action, $entity = null): string
             $params = $_GET; /* use $_GET instead of $request->query->all() to avoid knp pagination's change of query attributes */
             unset($params['referer']);
             if ($entity !== null) {
-                $params['id'] = $entity->getId();
+                $params['id'] = $this->entityService->getId($entity);
                 if ($request->attributes->get('qag.from') === 'view') {
                     $params['from'] = 'view';
                 }
@@ -90,4 +92,8 @@ public function getQag(): array
         return $this->_cache;
     }
 
+    protected function getEntityIdentifier() {
+
+    }
+
 }