diff --git a/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodWorkEvaluationDenormalizer.php b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodWorkEvaluationDenormalizer.php
new file mode 100644
index 000000000..93bf39be7
--- /dev/null
+++ b/src/Bundle/ChillPersonBundle/Serializer/Normalizer/AccompanyingPeriodWorkEvaluationDenormalizer.php
@@ -0,0 +1,134 @@
+<?php
+
+/**
+ * Chill is a software for social workers
+ *
+ * For the full copyright and license information, please view
+ * the LICENSE file that was distributed with this source code.
+ */
+
+declare(strict_types=1);
+
+namespace Chill\PersonBundle\Serializer\Normalizer;
+
+use Chill\PersonBundle\Entity\AccompanyingPeriod\AccompanyingPeriodWork;
+use Chill\PersonBundle\Entity\AccompanyingPeriod\AccompanyingPeriodWorkEvaluation;
+use Chill\PersonBundle\Entity\AccompanyingPeriod\AccompanyingPeriodWorkEvaluationDocument;
+use Chill\PersonBundle\Repository\AccompanyingPeriod\AccompanyingPeriodWorkRepository;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\Serializer\Normalizer\AbstractNormalizer;
+use Symfony\Component\Serializer\Normalizer\ContextAwareDenormalizerInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerAwareInterface;
+use Symfony\Component\Serializer\Normalizer\DenormalizerAwareTrait;
+use Symfony\Component\Serializer\Normalizer\ObjectToPopulateTrait;
+
+use function array_key_exists;
+use function array_merge;
+use function in_array;
+use function is_array;
+
+/**
+ * This denormalizer rely on AbstractNormalizer for most of the job, and
+ * add some logic for synchronizing collection.
+ */
+class AccompanyingPeriodWorkEvaluationDenormalizer implements ContextAwareDenormalizerInterface, DenormalizerAwareInterface
+{
+    use DenormalizerAwareTrait;
+
+    use ObjectToPopulateTrait;
+
+    private EntityManagerInterface $em;
+
+    private AccompanyingPeriodWorkRepository $workRepository;
+
+    public function __construct(
+        AccompanyingPeriodWorkRepository $workRepository,
+        EntityManagerInterface $em
+    ) {
+        $this->workRepository = $workRepository;
+        $this->em = $em;
+    }
+
+    public function denormalize($data, $type, $format = null, array $context = [])
+    {
+        $work = $this->denormalizer->denormalize($data, $type, $format, array_merge(
+            $context,
+            ['skip' => self::class]
+        ));
+        dump($work);
+        dump($data);
+        dump($type);
+        //if (in_array('accompanying_period_work:edit', $context['groups'] ?? [], true)) {
+            $this->handleEvaluationCollection($data, $work, $format, $context);
+        //}
+
+        return $work;
+    }
+
+    public function supportsDenormalization($data, $type, $format = null, array $context = []): bool
+    {
+        return AccompanyingPeriodWorkEvaluation::class === $type
+            && self::class !== ($context['skip'] ?? null)
+            && is_array($data)
+            && array_key_exists('type', $data)
+            && 'accompanying_period_work_evaluation' === $data['type'];
+    }
+
+    private function handleEvaluationCollection(array $data, AccompanyingPeriodWorkEvaluation $evaluation, string $format, array $context)
+    {
+        $dataById = [];
+        $dataWithoutId = [];
+
+        foreach ($data['documents'] as $e) {
+            if (array_key_exists('id', $e)) {
+                $dataById[$e['id']] = $e;
+            } else {
+                $dataWithoutId[] = $e;
+            }
+        }
+        dump($dataById);
+        dump($dataWithoutId);
+
+        dump($evaluation);
+        // partition the separate kept documents and removed one
+        [$kept, $removed] = $evaluation->getDocuments()
+            ->partition(
+                static fn (int $key, AccompanyingPeriodWorkEvaluationDocument $a) => array_key_exists($a->getId(), $dataById)
+            );
+
+
+
+        // remove the document from evaluation
+        foreach ($removed as $r) {
+            $evaluation->removeDocument($r);
+        }
+        // handle the documents kept
+        foreach ($kept as $k) {
+            $this->denormalizer->denormalize(
+                $dataById[$k->getId()],
+                AccompanyingPeriodWorkEvaluationDocument::class,
+                $format,
+                array_merge(
+                    $context,
+                    [
+                        'groups' => ['write'],
+                        AbstractNormalizer::OBJECT_TO_POPULATE => $k,
+                    ]
+                )
+            );
+        }
+        // create new document
+        foreach ($dataWithoutId as $newData) {
+            $document = $this->denormalizer->denormalize(
+                $newData,
+                AccompanyingPeriodWorkEvaluationDocument::class,
+                $format,
+                array_merge(
+                    $context,
+                    ['groups' => ['accompanying_period_work_evaluation:create']]
+                )
+            );
+            $evaluation->addDocument($document);
+        }
+    }
+}