diff --git a/src/Bundle/ChillCalendarBundle/Service/DocGenerator/CalendarContext.php b/src/Bundle/ChillCalendarBundle/Service/DocGenerator/CalendarContext.php
index 779db6a52..9c436524d 100644
--- a/src/Bundle/ChillCalendarBundle/Service/DocGenerator/CalendarContext.php
+++ b/src/Bundle/ChillCalendarBundle/Service/DocGenerator/CalendarContext.php
@@ -18,8 +18,10 @@ use Chill\DocGeneratorBundle\Service\Context\BaseContextData;
 use Chill\DocStoreBundle\Entity\StoredObject;
 use Chill\MainBundle\Templating\TranslatableStringHelperInterface;
 use Chill\PersonBundle\Entity\Person;
+use Chill\PersonBundle\Repository\PersonRepository;
 use Chill\PersonBundle\Templating\Entity\PersonRender;
 use Chill\ThirdPartyBundle\Entity\ThirdParty;
+use Chill\ThirdPartyBundle\Repository\ThirdPartyRepository;
 use Chill\ThirdPartyBundle\Templating\Entity\ThirdPartyRender;
 use Doctrine\ORM\EntityManagerInterface;
 use Symfony\Bridge\Doctrine\Form\Type\EntityType;
@@ -41,6 +43,10 @@ final class CalendarContext implements CalendarContextInterface
 
     private PersonRender $personRender;
 
+    private PersonRepository $personRepository;
+
+    private ThirdPartyRepository $thirdPartyRepository;
+
     private ThirdPartyRender $thirdPartyRender;
 
     private TranslatableStringHelperInterface $translatableStringHelper;
@@ -50,14 +56,18 @@ final class CalendarContext implements CalendarContextInterface
         EntityManagerInterface $entityManager,
         NormalizerInterface $normalizer,
         PersonRender $personRender,
+        PersonRepository $personRepository,
         ThirdPartyRender $thirdPartyRender,
+        ThirdPartyRepository $thirdPartyRepository,
         TranslatableStringHelperInterface $translatableStringHelper
     ) {
         $this->baseContextData = $baseContextData;
         $this->entityManager = $entityManager;
         $this->normalizer = $normalizer;
         $this->personRender = $personRender;
+        $this->personRepository = $personRepository;
         $this->thirdPartyRender = $thirdPartyRender;
+        $this->thirdPartyRepository = $thirdPartyRepository;
         $this->translatableStringHelper = $translatableStringHelper;
     }
 
@@ -229,12 +239,36 @@ final class CalendarContext implements CalendarContextInterface
 
     public function contextGenerationDataNormalize(DocGeneratorTemplate $template, $entity, array $data): array
     {
-        // TODO: Implement publicFormTransform() method.
+        $normalized['title'] = $data['title'] ?? '';
+
+        foreach (['mainPerson', 'thirdParty'] as $k) {
+            if (isset($data[$k])) {
+                $normalized[$k] = $data[$k]->getId();
+            }
+        }
+
+        return $normalized;
     }
 
     public function contextGenerationDataDenormalize(DocGeneratorTemplate $template, $entity, array $data): array
     {
-        // TODO: Implement publicFormReverseTransform() method.
+        $denormalized['title'] = $data['title'];
+
+        if (null !== ($data['mainPerson'] ?? null)) {
+            if (null === $person = $this->personRepository->find($data['mainPerson'])) {
+                throw new \RuntimeException('person not found');
+            }
+            $denormalized['mainPerson'] = $person;
+        }
+
+        if (null !== ($data['thirdParty'] ?? null)) {
+            if (null === $thirdParty = $this->thirdPartyRepository->find($data['thirdParty'])) {
+                throw new \RuntimeException('third party not found');
+            }
+            $denormalized['thirdParty'] = $thirdParty;
+        }
+
+        return $denormalized;
     }
 
     /**