Add version added note for the debug:event-dispatcher command

adamelso · adamelso · commit 14f27eacac43 · 2015-01-08T14:46:31.000Z
diff --git a/cookbook/service_container/event_listener.rst b/cookbook/service_container/event_listener.rst
@@ -156,3 +156,6 @@ its name:
 .. code-block:: bash
 
     $ php app/console debug:event-dispatcher kernel.exception
+
+.. versionadded:: 2.6
+    The ``debug:event-dispatcher`` command was introduced in Symfony 2.6.
