Used with buttons.
  • "mod" – Handles command on mac, ctrl on mac
  • "backspace"
  • "tab"
  • "enter" – Watch out! Different to return!
  • "return" – Watch out! Different to enter!
  • "shift"
  • "ctrl"
  • "alt"
  • "esc"
  • "space"
  • "left"
  • "up"
  • "right"
  • "down"
  • "plus"
  • "a"
  • "b"
  • "c"
  • "d"
  • "e"
  • "f"
  • "g"
  • "h"
  • "i"
  • "j"
  • "k"
  • "l"
  • "m"
  • "n"
  • "o"
  • "p"
  • "q"
  • "r"
  • "s"
  • "t"
  • "u"
  • "v"
  • "w"
  • "x"
  • "y"
  • "z"
  • "1"
  • "2"
  • "3"
  • "4"
  • "5"
  • "6"
  • "7"
  • "8"
  • "9"
  • "0"