How Will I Make A Working Gui For A Open/Close Button?

I Really Need To Know Because I am making a game but i really need help scripting! it is going to be a building game like BYC (Build Your Cybersuit) Plz Explain how i will be very thankful to the person who anwsers my question :D

Script for the open/gui:

a = script.Parent.Parent.A b = script.Parent function run () if a.Visible == false then a.Visible = true b.Text = "Open" else a.Visible = false b.Text = "Close" end end script.Parent.MouseButton1Down:connect (Run)

what a tut told me to do for gui

frame > screenframe > script,textlabel,textlabel,menu(textbutton)

(i need to know how to make a open/close gui for a player to open a pacific part)

Don't ask for code, try first

Use the visible option.