How Can I Add Cooldown/Debounce To My Script ?

local ProximityPrompt = script.Parent.Interact.ProximityPrompt
local CurtainL = script.Parent.CurtainL
local CurtainR = script.Parent.CurtainR
local ClosedCurtainL = script.Parent.ClosedCurtainL
local ClosedCurtainR = script.Parent.ClosedCurtainR
local debounce = false

ProximityPrompt.Triggered:Connect(function()
	if debounce then return end
	debounce = true
    if ProximityPrompt.ActionText == "Open" then --the text is set to "Open"
        script.Parent.Sound:Play()
        CurtainL.Transparency = 0
        CurtainR.Transparency = 0 -- the brightness off
        ClosedCurtainL.Transparency = 1
        ClosedCurtainR.Transparency = 1
        ProximityPrompt.ActionText = "Close" --text change to "Close"
    else
        script.Parent.Sound:Play()
        CurtainL.Transparency = 1-- the brightness on
        CurtainR.Transparency = 1
        ClosedCurtainL.Transparency = 0
        ClosedCurtainR.Transparency = 0
        ProximityPrompt.ActionText = "Open" --text change to "Open"
    end
	wait(3) -- Change if needed
	debounce = false
end)