diff --git a/tiramisu/api.py b/tiramisu/api.py
index e445db8..bd7cd25 100644
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@@ -788,10 +788,20 @@ class TiramisuContextOption(TiramisuContext):
              group_type=None,
              recursive=False):
         if type == 'optiondescription':
-            return self.config_bag.config.iter_groups(self.config_bag, group_type)
+            if recursive:
+                raise APIError(_('not implemented yet'))
+            else:
+                return self.config_bag.config.iter_groups(self.config_bag, group_type)
         elif type == 'all':
-            return self.config_bag.config.cfgimpl_get_children(recursive,
-                                                               self.config_bag)
+            if group_type:
+                raise APIError(_('not implemented yet'))
+            if recursive:
+                if not self.config_bag.force_unrestraint:
+                    raise APIError(_('not implemented yet'))
+                else:
+                    return self.config_bag.config.cfgimpl_get_description()._cache_paths[1]
+            else:
+                return self.config_bag.config.cfgimpl_get_children(self.config_bag)
         else:
             raise APIError(_('unknown list type {}').format(type))