Solved by Chillee in post #2 
              
              
                There is no direct concept of a “parent” or “child” in FX - the closest analogues are “args” (i.e. what nodes your current node is using) and “users” (i.e. what nodes are using your current node). Furthermore, “users” is a property derived from “args”, so the only thing you should be modifying is wh…