key gui execute action script

-- This must be a LocalScript

local player = game.Players.LocalPlayer
local playerGui = player:WaitForChild("PlayerGui")

-- Create ScreenGui
local ScreenGui = Instance.new("ScreenGui")
ScreenGui.Name = "KeySystemGUI"
ScreenGui.ResetOnSpawn = false
ScreenGui.Parent = playerGui

-- Create Frame
local Frame = Instance.new("Frame")
Frame.Size = UDim2.new(0, 300, 0, 200)
Frame.Position = UDim2.new(0.5, -150, 0.5, -100)
Frame.BackgroundColor3 = Color3.fromRGB(40, 40, 40)
Frame.Parent = ScreenGui

-- Label
local Label = Instance.new("TextLabel")
Label.Size = UDim2.new(1, 0, 0, 50)
Label.Position = UDim2.new(0, 0, 0, 0)
Label.Text = "Enter Key"
Label.TextColor3 = Color3.new(1, 1, 1)
Label.BackgroundTransparency = 1
Label.Parent = Frame

-- TextBox
local TextBox = Instance.new("TextBox")
TextBox.Size = UDim2.new(0.8, 0, 0, 40)
TextBox.Position = UDim2.new(0.1, 0, 0.4, 0)
TextBox.PlaceholderText = "Enter key here..."
TextBox.Text = ""
TextBox.ClearTextOnFocus = false
TextBox.Parent = Frame

-- Button
local Button = Instance.new("TextButton")
Button.Size = UDim2.new(0.8, 0, 0, 40)
Button.Position = UDim2.new(0.1, 0, 0.7, 0)