If you are already a ZA Bank customer, you can log in to ZA Bank App and find the "Invite Friends" iconat the top of the "Explore" page to view your invitation code.
If you are not yet a ZA Bank customer, after successfully opening an account in Hong Kong, you can log in to ZA Bank App and find the "Invite Friends" icon at the top of the "Explore" page to view your invitation code.