--- a/src/tools/xml_tools.py	Tue Dec 15 12:20:55 2015 +0100
+++ b/src/tools/xml_tools.py	Tue Dec 15 12:41:07 2015 +0100
@@ -1290,7 +1290,7 @@
     return xmlui_d
 
 def deferDialog(host, message, title=u'Please confirm', type_=C.XMLUI_DIALOG_CONFIRM, options=None,
-        action_extra=None, security_limit=C.NO_SECURITY_LIMIT, profile=C.PROF_KEY_NONE):
+        action_extra=None, security_limit=C.NO_SECURITY_LIMIT, chained=False, profile=C.PROF_KEY_NONE):
     """Create a submitable dialog and manage it with a deferred
 
     @param message(unicode): message to display
@@ -1300,6 +1300,8 @@
     @param action_extra(None, dict): extra action to merge with xmlui
         mainly used to add meta informations (see actionNew doc)
     @param security_limit: %(doc_security_limit)s
+    @param chained(bool): True if the Deferred result must be returned to the frontend
+        useful when backend is in a series of dialogs with an ui
     @param profile: %(doc_profile)s
     @return (dict): Deferred dict
     """
@@ -1308,7 +1310,7 @@
     if options is not None:
         dialog_opt.update(options)
     dialog = XMLUI(C.XMLUI_DIALOG, title=title, dialog_opt=dialog_opt, submit_id='')
-    return deferXMLUI(host, dialog, action_extra, security_limit, profile)
+    return deferXMLUI(host, dialog, action_extra, security_limit, chained, profile)
 
 def deferConfirm(*args, **kwargs):
     """call deferDialog and return a boolean instead of the whole data dict"""