ASB Add card

We cannot add that for you but assuming it is a bank credit card and you want to add it to your account, you can find instructions here:

Add a payment method to your Apple ID - Apple Support

If you’ve already tried that but were unable to add your card, then Apple provides these tips:

If you can't add a card to Apple Wallet to use with Apple Pay - Apple Support

Not all cards can be added as a payment method. If you are having troubles, contact your bank.