How to create Afterpay Dynamic "Buy it now" button

[COZZAH]

 

I am currently using the Dawn theme. I want to swap my dynamic button from "ShopPay" to Afterpay? I have installed Afterpay and it shows now in my announcement banner, and at the bottom on my page with the other payments. I have "Dynamic buttons" turned on, but it automatically has chosen ShopPay?

I found this on the Afterpay website, but I am struggling to understand the steps? https://developers.afterpay.com/docs/api/online-api/adding-afterpay-to-your-site/express-checkout

Any help would be appreciated, thankyou. 

 

[PaulMartin]

I think this is the one you should be following. The link you sent is for checkout, while the button is different. Add The Button | Afterpay Button