Sliding Animation ROBLOX

Script:

--Script by bvmcka
function AnimationScript()
local Animation=Instance.new'Animation'
Animation.AnimationId='rbxassetid://148840371'
local Player=game:GetService'Players'.LocalPlayer
local CRT=Player.Character or Player.CharacterAdded:Wait()
local Humanoid=CRT:WaitForChild'Humanoid':LoadAnimation(Animation)
Humanoid:Play()
H:AdjustSpeed(0.7)
return AnimationScript()
end