Structure an Action's output as a value: one output param → its value; many → an object keyed by
name; none → the Message. String values that are clearly JSON are parsed so structured operators
work on real action payloads (e.g. a RunView that returns its rows as a JSON string).
Structure an Action's output as a value: one output param → its value; many → an object keyed by name; none → the Message. String values that are clearly JSON are parsed so structured operators work on real action payloads (e.g. a RunView that returns its rows as a JSON string).