local animation = Instance.new("Animation")
animation.AnimationId = "http://www.roblox.com/Asset?ID=01336707690"

local trackanimation = nil
local playability = true
function playAnimation(AnimationSource)
 if playability == true then
  local plr = game.Players.LocalPlayer
  trackanimation = plr.Character.Humanoid:LoadAnimation(Animation)

trackanimation.KeyframeReached.connect(function(kf)
print('Working')
end)
 trackanimation.Play()
 end
end
script.Parent.MouseButton1Down:connect(PlayAnimation)