Page Comparison

...

1. paySource = 'PAYPAL'

2. paypalBillerId is the value assigned to your PayPal Commerce gateway, found on your gateway list.

3. salesUrl is the url of the checkout page

4. redirectsTo is the url of the page in your funnel that PayPal will redirect to on a successful transaction.

5. errorRedirectsTo is the url of the page in your funnel that PayPal will redirect to on a cancelled transaction.

...