--- a/libervia.py	Fri Jan 03 14:14:34 2014 +0100
+++ b/libervia.py	Fri Jan 03 14:19:01 2014 +0100
@@ -110,7 +110,7 @@
 class RegisterCall(LiberviaJsonProxy):
     def __init__(self):
         LiberviaJsonProxy.__init__(self, "/register_api",
-                        ["isRegistered", "isConnected", "connect"])
+                        ["isRegistered", "isConnected", "connect", "registerParams"])
 
 
 class BridgeCall(LiberviaJsonProxy):
@@ -180,6 +180,7 @@
         RootPanel().add(self.panel)
         DOM.addEventPreview(self)
         self._register = RegisterCall()
+        self._register.call('registerParams', None)
         self._register.call('isRegistered', self._isRegisteredCB)
         self.initialised = False
         self.init_cache = []  # used to cache events until initialisation is done
@@ -348,7 +349,6 @@
                 # this would eventually set the browser saved password
                 Timer(5, lambda: self._register_box._form.login_pass_box.setFocus(True))
 
-
     def _actionCb(self, data):
         if not data:
             # action was a one shot, nothing to do

--- a/libervia.tac	Fri Jan 03 14:14:34 2014 +0100
+++ b/libervia.tac	Fri Jan 03 14:19:01 2014 +0100
@@ -42,6 +42,7 @@
 from zope.interface import Interface, Attribute, implements
 from xml.dom import minidom
 from constants import Const
+from sat.core.i18n import _, D_
 
 
 class ISATSession(Interface):
@@ -441,7 +442,7 @@
     def jsonrpc_getParamsUI(self):
         """Return the parameters XML for profile"""
         profile = ISATSession(self.session).profile
-        d = self.asyncBridgeCall("getParams", Const.SECURITY_LIMIT, profile)
+        d = self.asyncBridgeCall("getParams", Const.SECURITY_LIMIT, Const.APP_NAME, profile)
 
         def setAuthorizedParams(d):
             if self.authorized_params is None:
@@ -530,13 +531,14 @@
         Render method with some hacks:
            - if login is requested, try to login with form data
            - except login, every method is jsonrpc
-           - user doesn't need to be authentified for isRegistered, but must be for all other methods
+           - user doesn't need to be authentified for isRegistered or registerParams, but must be for all other methods
         """
         if request.postpath==['login']:
             return self.login(request)
         _session = request.getSession()
         parsed = jsonrpclib.loads(request.content.read())
-        if parsed.get("method")!="isRegistered":
+        method = parsed.get("method")
+        if  method != "isRegistered" and method != "registerParams":
             #if we don't call login or isRegistered, we need to be identified
             profile = ISATSession(_session).profile
             if not profile:
@@ -718,6 +720,25 @@
         profile = ISATSession(_session).profile
         return bool(profile)
 
+    def jsonrpc_registerParams(self):
+        """Register the frontend specific parameters"""
+        params = """
+        <params>
+        <individual>
+        <category name="%(category_name)s" label="%(category_label)s">
+            <param name="%(param_name)s" label="%(param_label)s" value="true" type="bool" security="0"/>
+         </category>
+        </individual>
+        </params>
+        """ % {
+            'category_name': Const.ENABLE_UNIBOX_KEY,
+            'category_label': _(Const.ENABLE_UNIBOX_KEY),
+            'param_name': Const.ENABLE_UNIBOX_PARAM,
+            'param_label': _(Const.ENABLE_UNIBOX_PARAM)
+        }
+
+        self.sat_host.bridge.paramsRegisterApp(params, Const.SECURITY_LIMIT, Const.APP_NAME)
+
 
 class SignalHandler(jsonrpc.JSONRPC):
 
@@ -978,7 +999,6 @@
     def stop(self):
         reactor.stop()
 
-
 registerAdapter(SATSession, server.Session, ISATSession)
 application = service.Application(Const.APP_NAME)
 service = Libervia()