If you want to add a checkout flow and collect payments on your Unbounce site, this tutorial will help you achieve that.
This article assumes that you have already set up your SimpleFunnel account by completing all the necessary steps on your dashboard. If not, please sign up.
Alternatively you can take a look at the Video Tutorial here
On your page settings:
The next thing we want to do is add the button you want to use with SimpleFunnel and update it's classname.
That's it youre all ready to go. Just publish your site and your funnel should work as expected