Code:
local playerservice = game:GetService("Players")
local player = game.Players.LocalPlayer
local uis = game:GetService("UserInputService")
local sprintSpeed = 30
uis.InputBegan:Connect(function(key)
if key.KeyCode == Enum.KeyCode.LeftShift then
player.Character.Humanoid.WalkSpeed = sprintSpeed
end
end)
uis.InputEnded:Connect(function(key)
if key.KeyCode == Enum.KeyCode.LeftShift then
player.Character.Humanoid.WalkSpeed = 16
end
end)