The spec for this action:
https://www.adobe.com/content/dam/acom/en/devnet/pdf/pdfs/PDF32000_2008.pdf#G11.2111850
An example of a form using this action:
https://www2.illinois.gov/rev/forms/reg/Documents/reg-1-mr.pdf
const id = baseEvent.id;
    if (!(id in this._objects)) {
      let event;
      if (id === "doc" || id === "page") {
        event = globalThis.event = new Event(baseEvent);
        event.source = event.target = this._document.wrapped;
        event.name = baseEvent.name;
      }
      if (id === "doc") {
        this._document.obj._dispatchDocEvent(event.name);
      } else if (id === "page") {
        this._document.obj._dispatchPageEvent(
          event.name,
          baseEvent.actions,
          baseEvent.pageNumber
        );
      }
      return;
    }
    const name = baseEvent.name;