diff --git a/doc/dev/todo/post-1.0 b/doc/dev/todo/post-1.0
index 4169c7f9..32d99614 100644
--- a/doc/dev/todo/post-1.0
+++ b/doc/dev/todo/post-1.0
@@ -9,3 +9,5 @@ Types:
 
 Core:
    - Support singletons (see types/issue for a good reason)
+   - extend cdist_tree_wrapper to look for optional/mandority parameters for types
+      - gives "good" database, which contains only valid objects