diff --git a/src/Acme/DemoBundle/Controller/TestController.php b/src/Acme/DemoBundle/Controller/TestController.php
new file mode 100644
index 0000000000..e980bb61b6
--- /dev/null
+++ b/src/Acme/DemoBundle/Controller/TestController.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Acme\DemoBundle\Controller;
+
+use Symfony\Bundle\FrameworkBundle\Controller\Controller;
+use Acme\DemoBundle\Form\TaskType;
+use Acme\DemoBundle\Entity\Task;
+
+class TestController extends Controller
+{
+    public function indexAction()
+    {
+        $form = $this->createForm(new TaskType(), new Task()
+            , array('validation_groups' => array('validationgroup'),)
+        );
+        $form->add('save', 'submit');
+        
+        $form->handleRequest($this->getRequest());
+        
+        if($form->isValid()){
+            echo '<p>the form is valid...</p>';
+        }
+        
+        return $this->render('AcmeDemoBundle:Test:taskform.html.twig', array(
+            'form' => $form->createView()
+        ));
+    }
+}
diff --git a/src/Acme/DemoBundle/Entity/Category.php b/src/Acme/DemoBundle/Entity/Category.php
new file mode 100644
index 0000000000..19469c55fb
--- /dev/null
+++ b/src/Acme/DemoBundle/Entity/Category.php
@@ -0,0 +1,13 @@
+<?php
+
+namespace Acme\DemoBundle\Entity;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+class Category
+{
+    /**
+     * @Assert\Length(min=3, groups={"validationgroup"})
+     */
+    public $name;
+}
\ No newline at end of file
diff --git a/src/Acme/DemoBundle/Entity/Task.php b/src/Acme/DemoBundle/Entity/Task.php
new file mode 100644
index 0000000000..dde76235ee
--- /dev/null
+++ b/src/Acme/DemoBundle/Entity/Task.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Acme\DemoBundle\Entity;
+
+use Symfony\Component\Validator\Constraints as Assert;
+
+use Acme\DemoBundle\Entity\Category;
+
+class Task
+{
+    // ...
+
+    /**
+     * @Assert\Valid
+     */
+    protected $category;
+
+    // ...
+
+    public function getCategory()
+    {
+        return $this->category;
+    }
+
+    public function setCategory(Category $category = null)
+    {
+        $this->category = $category;
+    }
+}
\ No newline at end of file
diff --git a/src/Acme/DemoBundle/Form/CategoryType.php b/src/Acme/DemoBundle/Form/CategoryType.php
new file mode 100644
index 0000000000..cf30f3f716
--- /dev/null
+++ b/src/Acme/DemoBundle/Form/CategoryType.php
@@ -0,0 +1,28 @@
+<?php
+
+namespace Acme\DemoBundle\Form;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+class CategoryType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->add('name');
+    }
+
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'data_class' => 'Acme\DemoBundle\Entity\Category',
+            'validation_groups' => array('validationgroup')
+        ));
+    }
+
+    public function getName()
+    {
+        return 'category';
+    }
+}
\ No newline at end of file
diff --git a/src/Acme/DemoBundle/Form/TaskType.php b/src/Acme/DemoBundle/Form/TaskType.php
new file mode 100644
index 0000000000..a8facc198c
--- /dev/null
+++ b/src/Acme/DemoBundle/Form/TaskType.php
@@ -0,0 +1,29 @@
+<?php
+
+namespace Acme\DemoBundle\Form;
+
+use Symfony\Component\Form\AbstractType;
+use Symfony\Component\Form\FormBuilderInterface;
+use Symfony\Component\OptionsResolver\OptionsResolverInterface;
+
+use Acme\DemoBundle\Form\CategoryType;
+
+class TaskType extends AbstractType
+{
+    public function buildForm(FormBuilderInterface $builder, array $options)
+    {
+        $builder->add('category', new CategoryType());
+    }
+
+    public function setDefaultOptions(OptionsResolverInterface $resolver)
+    {
+        $resolver->setDefaults(array(
+            'data_class' => 'Acme\DemoBundle\Entity\Task'
+        ));
+    }
+
+    public function getName()
+    {
+        return 'task';
+    }
+}
\ No newline at end of file
diff --git a/src/Acme/DemoBundle/Resources/config/routing.yml b/src/Acme/DemoBundle/Resources/config/routing.yml
index 3402ca17cf..0476589e70 100644
--- a/src/Acme/DemoBundle/Resources/config/routing.yml
+++ b/src/Acme/DemoBundle/Resources/config/routing.yml
@@ -1,12 +1,3 @@
-_welcome:
-    pattern:  /
-    defaults: { _controller: AcmeDemoBundle:Welcome:index }
-
-_demo_secured:
-    resource: "@AcmeDemoBundle/Controller/SecuredController.php"
-    type:     annotation
-
-_demo:
-    resource: "@AcmeDemoBundle/Controller/DemoController.php"
-    type:     annotation
-    prefix:   /demo
\ No newline at end of file
+_test:
+    pattern:  /test
+    defaults: { _controller: AcmeDemoBundle:Test:index }
\ No newline at end of file
diff --git a/src/Acme/DemoBundle/Resources/views/Test/taskform.html.twig b/src/Acme/DemoBundle/Resources/views/Test/taskform.html.twig
new file mode 100644
index 0000000000..e7c4220a6e
--- /dev/null
+++ b/src/Acme/DemoBundle/Resources/views/Test/taskform.html.twig
@@ -0,0 +1,3 @@
+<h3>Add task</h3>
+<p>Category name: @Assert\Length(min=3, groups={"validationgroup"})</p>
+{{ form(form) }}
\ No newline at end of file