PayPal Button Manager API (NVP)

AHTML Variables for PayPalPayments StandardYou can use all variables supported for your button: Buy Now, Donation, Subscribe, Add toCart, and View Cart buttons. You can also use HTML variables supported the Cart Uploadcommand.Technical HTML VariablesTechnical HTML variables control how PayPal responds technically when people clickPayPal Payments Standard payment buttons or when third-party or custom carts initiatepayment processing with the Cart Upload command. They also control how your buttonsinteract with special PayPal features.Allowable Values for the cmd HTML VariableValue of cmd_xclick_cart_oe-gift-certificate_xclick-subscriptions_xclick-auto-billing_xclick-payment-plan_donations_s-xclickDescriptionThe button that the person clicked was a Buy Now button.For shopping cart purchases. The following variables specify the kindof shopping cart button that the person clicked:• add – Add to Cart buttons for the PayPal Shopping Cart• display – View Cart buttons for the PayPal Shopping Cart• upload – The Cart Upload command for third-party cartsThe button that the person clicked was a Buy Gift Certificate button.The button that the person clicked was a Subscribe button.The button that the person clicked was an Automatic Billing button.The button that the person clicked was an Installment Plan button.The button that the person clicked was a Donate button.The button that the person clicked was protected from tampering byusing encryption, or the button was saved in the merchant’s PayPalaccount. PayPal determines which kind of button was clicked bydecoding the encrypted code or by looking up the saved button in themerchant’s account.Button Manager NVP API April 2012 51