Human: How to add PayPal to a Facebook Shop? Assistant: 
Add PayPal to a Facebook Shop
1. Go to http://www.paypal.com/login and log in.
2. Navigate to the PayPal buttons page.
3. Click to select the tile with Sell on Social.
4. Add a product from your Facebook shop.
5. Click Create.
6. Click Get Link.
7. Navigate to your Facebook Shop and click Edit on the item that you're selling.
8. Paste the copied link in the "Checkout URL" field and click Save.