how do you use assistive touch to confirm purchases in apple wallet

Hello screeninstructions,

We see you're looking for help with using AssistiveTouch, and we'd be happy to help out.

If you happen to mean using AssistiveTouch with Apple Pay specifically, you may indeed get that accomplished. This page has a list of the things you can use it for: Use AssistiveTouch on iPhone

On that same page, check out the "Set up AssistiveTouch" section, which will have steps on how to customize it. When customizing, just add the option for Apple Pay and then you should be able to use it as expected.

Take care.