An end user can use the following keys to interact with the widget.
|Alt + ↓||Opens the drop-down menu.|
|Enter or Backspace||If the drop-down menu is closed, opens it; otherwise selects the current item.|
|Esc||Closes the drop-down menu.|
|↑ / ↓||If the drop-down menu is opened, moves focus to the previous/next item.|
|Tab / Shift + Tab||If the drop-down menu is opened, moves focus to the list / search field.|