Apple Pay

Hi All, i'am working on apple pay integration. i have question regarding shipping address.

If user goes to settings > Wallet app and then updated shipping address and comes back to my ios App open apple pay window then how to get that updated address in delegate method? in which delegate call back i'll get updated address?


Also, if user clicks on apple pay button, i need to fetech product details from API based on address provided by user in apple pay. In which delegate method i will get full address so that i can submit address in api and get product pricing.