StageGui ServerScript

local ReplicatedStorage = game:GetService("ReplicatedStorage")
local Teleport = ReplicatedStorage:WaitForChild("Teleport")

Teleport.OnServerEvent:Connect(function(player, checkpoint)
    local Character = player.Character
    if Character then
        Character.HumanoidRootPart.CFrame = checkpoint.CFrame + Vector3.new(0,8,0)
    end
end)