<usb_keyboard>.key-press ("key" ... | list of "key") [simultaneously]
Press one or more keys on the keyboard. This translates to a series of key down events followed by the matching key up events. The key names correspond to the keys on a U.S. keyboard with no keys remapped by software. If simultaneously is true, that means you press keys simultaneously, otherwise, you press keys sequentially. Default of simultaneously is false.
usb-input-devices