player = game.Players.LocalPlayer
mouse = player:GetMouse()

function KeyM(m)
    key = key:lower(m)
    local hotkey = script.Hotkey
    local char = player.Character
    if key == hotkey.Value then
        local dance = Instance.new("Animation")
        dance.AnimationId = "http://www.roblox.com/asset/?id=922895233" --- type here the animation ID
        local animloader = char.Humanoid:LoadAnimation(dance)
        animloader:Play()

    end

end
mouse.KeyDown:connect(KeyM)