- Log in to your vBulletin admin panel and go to: Styles & Templates > Style Manager. In this section choose your used style and from the select box click to the Edit templates.
- From the showed templates select: Subscriptions (Paind) Templates and after that subscription_payment_paypal
- In the showed code find these lines:
<input type="hidden" name="notify_url" value="$vboptions[bburl]/payment_gateway.php?method=paypal" /> <input type="hidden" name="custom" value="$userinfo[username]" />
- Replace them with the PayPal integration code which you can find in your Merchant panel > Tools > Integration > Sale/Lead Tracking > PayPal
- After these steps save your modified template