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
[selStart, selEnd] = elementData.beforeInputSelectionRange;
            }
            this.linkService.eventBus?.dispatch("dispatcheventinsandbox", {
              source: this,
              detail: {
                id,
                name: "Keystroke",
                value: elementData.beforeInputValue,
                change: event.data,
                willCommit: false,
                selStart,
                selEnd,
              },
            });
          });
        }
        this._setEventListeners(
          element,
          [
            ["focus", "Focus"],
            ["blur", "Blur"],
            ["mousedown", "Mouse Down"],
            ["mouseenter", "Mouse Enter"],
            ["mouseleave", "Mouse Exit"],
            ["mouseup", "Mouse Up"],
          ],
          event => event.target.value
        );
      }
      if (blurListener) {