How to call the apple wallet from ios app for storing user card details

My app is payment processing app. so in my app apple pay is one of the payment methods. so I want to facilitate the user to adding cards into apple wallet direct from app to apple wallet. When the user clicks the add card button in the ios app then apple wallet is called and display the screen for adding cards into the wallet. I added the

com.apple.developer.payment-pass-provisioning in .entitlement file. How to call the apple wallet from ios app? How to do that? please give me some idea about it.