diff --git a/core/lib/Thelia/Config/Resources/config.xml b/core/lib/Thelia/Config/Resources/config.xml
index 7081a5e93..26a132e23 100755
--- a/core/lib/Thelia/Config/Resources/config.xml
+++ b/core/lib/Thelia/Config/Resources/config.xml
@@ -221,7 +221,7 @@
         <service id="thelia.coupon.manager" class="Thelia\Coupon\CouponManager">
             <argument type="service" id="thelia.adapter" />
         </service>
-        <service id="thelia.constraint.manager" class="Thelia\Constraint\ConstraintManager">
+        <service id="thelia.constraint.factory" class="Thelia\Constraint\ConstraintFactory">
             <argument type="service" id="service_container" />
         </service>
         <service id="thelia.constraint.rule.available_for_x_articles" class="Thelia\Constraint\Rule\AvailableForXArticlesManager">
diff --git a/core/lib/Thelia/Config/Resources/routing/admin.xml b/core/lib/Thelia/Config/Resources/routing/admin.xml
index 94c5f3da6..ff0827c73 100755
--- a/core/lib/Thelia/Config/Resources/routing/admin.xml
+++ b/core/lib/Thelia/Config/Resources/routing/admin.xml
@@ -84,6 +84,9 @@
     <route id="admin.coupon.read" path="/admin/coupon/read/{couponId}">
         <default key="_controller">Thelia\Controller\Admin\CouponController::readAction</default>
     </route>
+    <route id="admin.coupon.rule.input" path="/admin/coupon/rule/{ruleId}">
+        <default key="_controller">Thelia\Controller\Admin\CouponController::getRuleInputAction</default>
+    </route>
 
 
 
diff --git a/core/lib/Thelia/Constraint/ConstraintFactory.php b/core/lib/Thelia/Constraint/ConstraintFactory.php
index 699459847..e96509172 100644
--- a/core/lib/Thelia/Constraint/ConstraintFactory.php
+++ b/core/lib/Thelia/Constraint/ConstraintFactory.php
@@ -140,4 +140,23 @@ class ConstraintFactory
 
         return $rule;
     }
+
+    /**
+     * Get Coupon Rule inputs from serviceId
+     *
+     * @param string $ruleServiceId Rule class name
+     *
+     * @return array Ready to be drawn rule inputs
+     */
+    public function getInputs($ruleServiceId)
+    {
+        if (!$this->container->has($ruleServiceId)) {
+            return false;
+        }
+
+        /** @var CouponRuleInterface $rule */
+        $rule = $this->container->get($ruleServiceId);
+
+        return $rule->getValidators();
+    }
 }
\ No newline at end of file
diff --git a/core/lib/Thelia/Controller/Admin/CouponController.php b/core/lib/Thelia/Controller/Admin/CouponController.php
index 758e0b616..769a8c406 100755
--- a/core/lib/Thelia/Controller/Admin/CouponController.php
+++ b/core/lib/Thelia/Controller/Admin/CouponController.php
@@ -24,6 +24,8 @@
 namespace Thelia\Controller\Admin;
 
 use Symfony\Component\HttpFoundation\Request;
+use Thelia\Constraint\ConstraintFactory;
+use Thelia\Constraint\ConstraintFactoryTest;
 use Thelia\Constraint\Rule\AvailableForTotalAmount;
 use Thelia\Constraint\Rule\CouponRuleInterface;
 use Thelia\Constraint\Validator\PriceParam;
@@ -311,6 +313,39 @@ class CouponController extends BaseAdminController
         return $this->render('coupon-read', array('couponId' => $couponId));
     }
 
+    /**
+     * Manage Coupons read display
+     *
+     * @param int $couponId Coupon Id
+     *
+     * @return \Symfony\Component\HttpFoundation\Response
+     */
+    public function getRuleInputAction($ruleId)
+    {
+        $this->checkAuth('ADMIN', 'admin.coupon.read');
+
+        // @todo uncomment
+//        if (!$this->getRequest()->isXmlHttpRequest()) {
+//            $this->redirect('index');
+//        }
+
+        /** @var ConstraintFactory $constraintFactory */
+        $constraintFactory = $this->container->get('thelia.constraint.factory');
+        $inputs = $constraintFactory->getInputs($ruleId);
+
+        if (!$inputs) {
+            return $this->pageNotFound();
+        }
+
+        return $this->render(
+            'coupon/rule-input-ajax',
+            array(
+                'ruleId' => $ruleId,
+                'inputs' => $inputs
+            )
+        );
+    }
+
     /**
      * Build a Coupon from its form
      *
diff --git a/templates/admin/default/coupon/rule-input-ajax.html b/templates/admin/default/coupon/rule-input-ajax.html
new file mode 100644
index 000000000..30d74d258
--- /dev/null
+++ b/templates/admin/default/coupon/rule-input-ajax.html
@@ -0,0 +1 @@
+test
\ No newline at end of file