rblx. move script

local start = workspace.start
local finish = workspace.finish
local service = game:GetService('PathfindingService')
local path = service:FindPathAsync(start.Position,finish.Position)

local points = path:GetWaypoints()

for key,value in pairs(points) do
    local part = Instance.new ('Part')
    part.Parent = workspace
    part.Anchored = true
    part.CanCollide = false
    part.Position = value.Position
    part.Size = Vector3.new(1,1,1)
end