--- a/src/pyams_skin/interfaces/configuration.py	Fri Jun 09 14:46:53 2017 +0200
+++ b/src/pyams_skin/interfaces/configuration.py	Wed Jul 12 13:46:19 2017 +0200
@@ -111,6 +111,10 @@
                          default=True,
                          required=True)
 
+    accordion_menus = Bool(title="Display menus as accordion?",
+                           default=True,
+                           required=True)
+
     include_ribbon = Bool(title="Include ribbon?",
                           default=True,
                           required=True)