Shift to Sprint

--PUT THIS SCRIPT IN STARTERGUI--

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

local sprintSpeed = 40

mouse.KeyDown:Connect(function(key)
    if key == "0" then
        --Sprint
        player.Character.Humanoid.WalkSpeed = sprintSpeed
    end
end)

mouse.KeyUp:Connect(function(key)
    if key == "0" then
        --Stop Sprint
        player.Character.Humanoid.WalkSpeed = 16
    end
end)