diff --git a/tiramisu/api.py b/tiramisu/api.py
index 943ab49..2935d7e 100644
--- a/tiramisu/api.py
+++ b/tiramisu/api.py
@@ -203,9 +203,13 @@ class _TiramisuOptionOptionDescription(CommonTiramisuOption):
         return option.impl_is_optiondescription()
 
     def properties(self,
-                   only_raises=False):
+                   only_raises=False,
+                   uncalculated=False):
         """Get properties for an option"""
         settings = self._option_bag.config_bag.context.cfgimpl_get_settings()
+        if uncalculated:
+            return settings.getproperties(self._option_bag,
+                                          uncalculated=True)
         if not only_raises:
             return settings.getproperties(self._option_bag,
                                           apply_requires=False)
@@ -1565,6 +1569,7 @@ class MetaConfig(TiramisuAPI):
                  session_id: Union[str, None]=None,
                  persistent: bool=False,
                  optiondescription: Optional[OptionDescription]=None,
+                 storage=None,
                  display_name=None) -> None:
         if isinstance(children, KernelMetaConfig):
             config = children
@@ -1580,7 +1585,8 @@ class MetaConfig(TiramisuAPI):
                                       session_id=session_id,
                                       persistent=persistent,
                                       optiondescription=optiondescription,
-                                      display_name=display_name)
+                                      display_name=display_name,
+                                      storage=storage)
         super().__init__(config)
 
 
@@ -1591,6 +1597,7 @@ class MixConfig(TiramisuAPI):
                  children: List[Config],
                  session_id: Optional[str]=None,
                  persistent: bool=False,
+                 storage=None,
                  display_name: Callable=None) -> None:
         if isinstance(children, KernelMixConfig):
             config = children
@@ -1606,6 +1613,7 @@ class MixConfig(TiramisuAPI):
                                       _children,
                                       session_id=session_id,
                                       persistent=persistent,
+                                      storage=storage,
                                       display_name=display_name)
         super().__init__(config)