How do I transfer money from Apple Pay?

Please follow the steps in the Apple Support article I linked to below. It contains step by step instructions. There are two methods of transferring funds, one is instant and there a small fee. The other method is slower, but free.

Transfer money in Apple Cash to your bank account or debit card - Apple Support

Is there a different type of transfer you want to do?

Apple Pay is a payment service and is not an account that holds funds. Are you referring to Apple Cash?

How do I transfer Apple Cash to the bank?