diff --git a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
index 0988eedfe..2ede8737f 100644
--- a/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
+++ b/src/Bundle/ChillActivityBundle/Controller/ActivityController.php
@@ -139,6 +139,12 @@ class ActivityController extends AbstractController
             ];
         }
 
+        if ($request->query->has('activityData')) {
+            $activityData = $request->query->get('activityData');
+        } else {
+            $activityData = [];
+        }
+
         if ($view === null) {
             throw $this->createNotFoundException('Template not found');
         }
@@ -147,6 +153,7 @@ class ActivityController extends AbstractController
             'person' => $person,
             'accompanyingCourse' => $accompanyingPeriod,
             'data' => $data,
+            'activityData' => $activityData
         ]);
     }
 
@@ -166,10 +173,21 @@ class ActivityController extends AbstractController
         $activityType = $em->getRepository(\Chill\ActivityBundle\Entity\ActivityType::class)
             ->find($activityType_id);
 
+
+        if ($request->query->has('activityData')) {
+            $activityData = $request->query->get('activityData');
+            dump($activityData);
+        }
+
         if (!$activityType instanceof \Chill\ActivityBundle\Entity\ActivityType ||
             !$activityType->isActive()) {
 
             $params = $this->buildParamsToUrl($person, $accompanyingPeriod);
+
+            if (NULL !== $activityData) {
+                $params['activityData'] = $activityData;
+            }
+
             return $this->redirectToRoute('chill_activity_activity_select_type', $params);
         }
 
diff --git a/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig b/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig
index 996d95b0f..4120d8285 100644
--- a/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig
+++ b/src/Bundle/ChillActivityBundle/Resources/views/Activity/selectType.html.twig
@@ -18,7 +18,12 @@
                     {% set accompanying_course_id = accompanyingCourse.id %}
                 {% endif %}
 
-                <a href="{{ path('chill_activity_activity_new', {'person_id': person_id, 'activityType_id': activityType.id, 'accompanying_period_id': accompanying_course_id }) }}">
+                <a href="{{ path('chill_activity_activity_new', {
+                    'person_id': person_id,
+                    'activityType_id': activityType.id,
+                    'accompanying_period_id': accompanying_course_id,
+                    'activityData': activityData
+                }) }}">
 
                     <div class="bloc btn btn-primary btn-lg btn-block">
                         {{ activityType.name|localize_translatable_string }}
diff --git a/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php b/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
index 467c8eed2..103887d36 100644
--- a/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
+++ b/src/Bundle/ChillCalendarBundle/Controller/CalendarController.php
@@ -215,10 +215,28 @@ class CalendarController extends AbstractController
             throw $this->createNotFoundException('Template not found');
         }
 
+        $personsId = [];
+        foreach ($entity->getPersons() as $p) {
+            array_push($personsId, $p->getId());
+        }
+
+        $professionalsId = [];
+        foreach ($entity->getProfessionals() as $p) {
+            array_push($professionalsId, $p->getId());
+        }
+
+        $activityData = [
+            'personsId' => $personsId,
+            'professionalsId' => $professionalsId,
+            'date' => $entity->getStartDate()->format('Y-m-d'),
+            'durationTime' => $entity->getEndDate()->diff($entity->getStartDate())->format("%H:%M")
+        ];
+
         return $this->render($view, [
             'accompanyingCourse' => $accompanyingPeriod,
             'entity'      => $entity,
-            'user' => $user
+            'user' => $user,
+            'activityData' => $activityData
             //'delete_form' => $deleteForm->createView(),
         ]);
     }
diff --git a/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig b/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig
index 971abe67d..e8830a33d 100644
--- a/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig
+++ b/src/Bundle/ChillCalendarBundle/Resources/views/Calendar/show.html.twig
@@ -65,13 +65,21 @@
 
 <ul class="record_actions sticky-form-buttons">
     <li class="cancel">
-        <a class="btn btn-cancel" href="{{ path('chill_calendar_calendar_list', { 'accompanying_period_id': accompanying_course_id, 'user_id': user_id } ) }}">
+        <a class="btn btn-cancel" href="{{ path('chill_calendar_calendar_list',
+            { 'accompanying_period_id': accompanying_course_id, 'user_id': user_id }) }}">
             {{ 'Back to the list'|trans }}
         </a>
     </li>
+    <li>
+        <a class="btn btn-create" href="{{ chill_path_add_return_path('chill_activity_activity_new',
+            { 'accompanying_period_id': accompanying_course_id, 'activityData': activityData }) }}">
+            {{ 'Transform to activity'|trans }}
+        </a>
+    </li>
     {% if accompanyingCourse %}
     <li>
-        <a class="btn btn-update" href="{{ path('chill_calendar_calendar_edit', { 'id': entity.id, 'accompanying_period_id': accompanying_course_id }) }}">
+        <a class="btn btn-update" href="{{ path('chill_calendar_calendar_edit',
+            { 'id': entity.id, 'accompanying_period_id': accompanying_course_id }) }}">
             {{ 'Edit'|trans }}
         </a>
     </li>
diff --git a/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml b/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml
index 0eb7349a4..562233546 100644
--- a/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml
+++ b/src/Bundle/ChillCalendarBundle/translations/messages.fr.yml
@@ -23,4 +23,5 @@ Add a new calendar: Ajouter un nouveau rendez-vous
 "Success : calendar item created!": "Rendez-vous créé"
 The calendar item has been successfully removed.: Le rendez-vous a été supprimé
 From the day: Du
-to the day: au
\ No newline at end of file
+to the day: au
+Transform to activity: Transformer en échange
\ No newline at end of file