How can I select a button made on wix as the image source of an externally linked button from sendowl?

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1

I’ve pasted the code from sendowl to embed a custom ‘buy now’ button, but I want to put the button design from wix as the image, but don’t know how to code it so that it selected the wix button as the source. Thanks!

2

I think these is not enough input.

Perhaps some Screenshots?