How to set up Afterpay as a payment option in my New Zealand store?

Hello, I have set myself up as a merchant with Afterpay for my New Zealand based store. However, when I go to add it as an alternative payment option to my Shopify store it has a dash next to it and doesn’t show accepted payment cards. It says that my Afterpay is active on Shopify but does not show anywhere, I know I have to alter the snippet code and all that but don’t want to do that incase Afterpay isn’t fully set up on my store.

Any help/advice/tips is greatly appreciated!

Hilly