GUI Toggle Example roblox script

local GUI = Instance.new("ScreenGui", game.CoreGui)
GUI.Name = "my gui"
local mainFrame = Instance.new("Frame", GUI)
mainFrame.Name = "My frame"
mainFrame.Size = UDim2.new(0, 100, 0, 100)
mainFrame.Position = UDim2.new(0, 0, 0, 0)
mainFrame.BackgroundColor3 = Color3.new(1, 1, 1)
mainFrame.Active = true
mainFrame.Draggable = true
local title = Instance.new("TextLabel", mainFrame)
title.Size = UDim2.new(0, 100, 0, 20)
title.Name = "My title"
title.BackgroundColor3 = Color3.new(1, 1, 1)
title.Position = UDim2.new(0, 0, 0, 0)
title.Text = "Example GUI toggle"
title.TextScaled = true
title.Font = Enum.Font.Code
-- Function Toggle

local isOn = false

local toggle = Instance.new("TextButton", mainFrame)
toggle.Size = UDim2.new(0, 100, 0, 30)
toggle.Position = UDim2.new(0, 0, 0, 30)
toggle.Name = "My toggle"
toggle.BackgroundColor3 = Color3.new(1, 1, 1)
toggle.Text = "Not Toggled"
toggle.TextScaled = true

toggle.MouseButton1Click:Connect(function()
    isOn = not isOn
    if isOn then
        toggle.Text = "Toggled"
        while isOn do
            wait(1)
            print("hello world")
            if not isOn then
                toggle.Text = "Not Toggled"
                break
            end
        end
    end
end)