From 48c0c8759653031d5f296f67f93d5dca780a3613 Mon Sep 17 00:00:00 2001
From: WouterJ <waldio.webdesign@gmail.com>
Date: Thu, 6 Jun 2013 22:03:20 +0200
Subject: [PATCH] Added docs for enum nodes

---
 components/config/definition.rst | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)

diff --git a/components/config/definition.rst b/components/config/definition.rst
index e9d6aa6d2d6..657e70f262c 100644
--- a/components/config/definition.rst
+++ b/components/config/definition.rst
@@ -106,6 +106,25 @@ node definition. Node type are available for:
 and are created with ``node($name, $type)`` or their associated shortcut
 ``xxxxNode($name)`` method.
 
+Enum nodes
+~~~~~~~~~~
+
+.. versionadded:: 2.1
+    The enum node is new in 2.1
+
+Enum nodes provide a constraint to match the given input against a set of
+values::
+
+    $rootNode
+        ->children()
+            ->enumNode('gender')
+                ->values(array('male', 'female'))
+            ->end()
+        ->end()
+    ;
+
+This will restrict the ``gender`` option to be either ``male`` or ``female``.
+
 Array nodes
 ~~~~~~~~~~~