wordpress- woocommerce add an optional product at checkout -

I am using woocommerce for one of my websites. Now I have an optional checkbox (checkbox) $ 1 Want to add product page? If checked, 1 $ will be added to the total payment or not, as it is. Do I need to use some additional add-on plugins for this functionality? Any advice will be highly helpful thanks

I'm also looking for this one optional ad , Which I have found, is the official woocommerce plugin (Woocommerce product ads)