diff --git a/core/lib/Thelia/Action/Cart.php b/core/lib/Thelia/Action/Cart.php
index 8634feabb..e4255aa30 100755
--- a/core/lib/Thelia/Action/Cart.php
+++ b/core/lib/Thelia/Action/Cart.php
@@ -24,9 +24,12 @@
 namespace Thelia\Action;
 
 use Symfony\Component\Config\Definition\Exception\Exception;
+use Symfony\Component\EventDispatcher\EventDispatcherInterface;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\EventDispatcher\EventSubscriberInterface;
 use Thelia\Core\Event\ActionEvent;
+use Thelia\Core\Event\CartEvent;
+use Thelia\Core\Event\TheliaEvents;
 use Thelia\Core\HttpFoundation\Session\Session;
 use Thelia\Form\CartAdd;
 use Thelia\Model\CartQuery;
@@ -36,6 +39,13 @@ use Thelia\Model\Customer;
 
 class Cart implements EventSubscriberInterface
 {
+    protected $dispatcher;
+
+    public function __construct(EventDispatcherInterface $dispatcher)
+    {
+        $this->dispatcher = $dispatcher;
+    }
+
     /**
      *
      * add an article to cart
@@ -44,6 +54,7 @@ class Cart implements EventSubscriberInterface
      */
     public function addArticle(ActionEvent $event)
     {
+        var_dump($this);
         $request = $event->getRequest();
 
         if ($request->isMethod("post")) {
@@ -66,7 +77,6 @@ class Cart implements EventSubscriberInterface
         if($form->isValid()) {
 
         } else {
-            var_dump($form->createView());
         }
     }
 
@@ -194,7 +204,10 @@ class Cart implements EventSubscriberInterface
         $newCart = $cart->duplicate($this->generateCookie(), $customer);
         $session->setCart($newCart->getId());
 
-        return $newCart;
+        $cartEvent = new CartEvent($newCart);
+        $this->dispatcher->dispatch(TheliaEvents::CART_DUPLICATE, $newCart);
+
+        return $cartEvent->cart;
     }
 
     protected function generateCookie()
diff --git a/core/lib/Thelia/Config/Resources/action.xml b/core/lib/Thelia/Config/Resources/action.xml
index 0816f9958..aa79127a1 100755
--- a/core/lib/Thelia/Config/Resources/action.xml
+++ b/core/lib/Thelia/Config/Resources/action.xml
@@ -14,6 +14,8 @@
 
         <service id="thelia.action.cart" class="Thelia\Action\Cart">
             <tag name="kernel.event_subscriber"/>
+
+            <argument type="service" id="event_dispatcher"/>
         </service>
 
         <service id="thelia.action.customer" class="Thelia\Action\Customer" scope="request">
diff --git a/core/lib/Thelia/Core/Event/CartEvent.php b/core/lib/Thelia/Core/Event/CartEvent.php
index 92092f154..f4d79c78c 100644
--- a/core/lib/Thelia/Core/Event/CartEvent.php
+++ b/core/lib/Thelia/Core/Event/CartEvent.php
@@ -29,30 +29,13 @@ use Thelia\Model\Cart;
 
 class CartEvent extends InternalEvent {
 
-    protected $cart;
-    protected $modified;
+    public $cart;
 
     public function __construct(Cart $cart)
     {
         $this->cart = $cart;
-        $this->modified = false;
     }
 
-    public function setCart(Cart $cart)
-    {
-        $this->cart = $cart;
-        $this->modified = true;
-    }
-
-    public function getCart()
-    {
-        return $this->cart;
-    }
-
-    public function isModified()
-    {
-        return $this->modified;
-    }
 
 
 }
\ No newline at end of file
diff --git a/core/lib/Thelia/Core/Event/TheliaEvents.php b/core/lib/Thelia/Core/Event/TheliaEvents.php
index c086f4fa9..883ea5aff 100755
--- a/core/lib/Thelia/Core/Event/TheliaEvents.php
+++ b/core/lib/Thelia/Core/Event/TheliaEvents.php
@@ -88,4 +88,9 @@ final class TheliaEvents
      * Sent before customer insertion, to allow modules to create a custom customer reference.
      */
     const CREATECUSTOMER_CUSTOMREF = "customer.creation.customref";
+
+    /**
+     * sent when a new existing cat id duplicated. This append when current customer is different from current cart
+     */
+    const CART_DUPLICATE = "cart.duplicate";
 }
\ No newline at end of file
diff --git a/core/lib/Thelia/Model/Cart.php b/core/lib/Thelia/Model/Cart.php
index 8d74c6f20..2e2a1206c 100644
--- a/core/lib/Thelia/Model/Cart.php
+++ b/core/lib/Thelia/Model/Cart.php
@@ -8,14 +8,6 @@ use Thelia\Model\Base\ProductSaleElementsQuery;
 
 class Cart extends BaseCart
 {
-
-    protected $dispatcher;
-
-    public function setDispatcher(EventDispatcherInterface $dispatcher)
-    {
-        $this->dispatcher = $dispatcher;
-    }
-
     public function duplicate($token, Customer $customer = null)
     {
         $cartItems = $this->getCartItems();
@@ -50,9 +42,4 @@ class Cart extends BaseCart
 
         return $cart;
     }
-
-    protected function dispatchEvent($name)
-    {
-
-    }
 }