Two examples of how a Quickform node affects a wrapped metanode: a String Input node and a Value Selection node. Wrapped metanodes do not have a configuration window by default, unless they contain a Quickform node. In this case, the wrapped metanode acquires a configuration window and exposes the settings of the Quickform node(s) inside. In this workflow, one wrapped metanode requires the country value as String in its setting (from the String Input node inside); the other wrapped metanode requires the country value as a selection from a menu list ( from the Value Selection node inside).
This is a companion discussion topic for the original entry at https://kni.me/w/CtMS-rLfAMteYQfV