Keys

    "backspace"
    "delete"        
    "enter"        
    "tab"
    "escape"
    "up"        Up arrow key           
    "down"      Down arrow key
    "right"     Right arrow key
    "left"      Left arrow key
    "home"
    "end"
    "pageup"
    "pagedown"
    "f1"
    "f2"
    "f3"
    "f4"
    "f5"
    "f6"
    "f7"
    "f8"
    "f9"
    "f10"
    "f11"
    "f12"
    "f13"
    "f14"
    "f15"
    "f16"
    "f17"
    "f18"
    "f19"
    "f20"
    "f21"
    "f22"
    "f23"
    "f24"
    "command"
    "alt"
    "control"
    "shift"
    "right_shift"
    "space"
    "printscreen"       No Mac support
    "insert"            No Mac support
    "menu"              Windows only

    "audio_mute"        Mute the volume
    "audio_vol_down"    Lower the volume
    "audio_vol_up"      Increase the volume
    "audio_play"
    "audio_stop"
    "audio_pause"       
    "audio_prev"        Previous Track
    "audio_next"        Next Track
    "audio_rewind"      Linux only
    "audio_forward"     Linux only
    "audio_repeat"      Linux only
    "audio_random"      Linux only

    "numpad_0"      No Linux support
    "numpad_1"      No Linux support
    "numpad_2"      No Linux support
    "numpad_3"      No Linux support
    "numpad_4"      No Linux support
    "numpad_5"      No Linux support
    "numpad_6"      No Linux support
    "numpad_7"      No Linux support
    "numpad_8"      No Linux support
    "numpad_9"      No Linux support

    "lights_mon_up"      Turn up monitor brightness                 No Windows support
    "lights_mon_down"    Turn down monitor brightness               No Windows support
    "lights_kbd_toggle"  Toggle keyboard backlight on/off           No Windows support
    "lights_kbd_up"      Turn up keyboard backlight brightness      No Windows support
    "lights_kbd_down"    Turn down keyboard backlight brightness    No Windows support