diff --git a/TODO b/TODO
index c19f17f6b..7971ebcf7 100644
--- a/TODO
+++ b/TODO
@@ -38,3 +38,4 @@ TODO:
 * sparse_set shrink_to_fit argument for sparse array shrink policy (none, empty, deep, whatever)
 * any cdynamic to support const ownership construction
 * return meta context from meta objects
+* allow passing arguments to meta setter/getter (we can fallback on meta invoke for everything probably)