Integration Guide

HTML Variables for Website Payments Standard
Technical HTML Variables
A
346 September 2008 Website Payments Standard Integration Guide
_s-xclick The button that the person clicked was protected from tampering by
using encryption, or the button was saved in the merchant’s PayPal
account. PayPal determines which kind of button was clicked by
decoding the encrypted code or by looking up the saved button in the
merchant’s account.
T
ABLE A.2 HTML Variables for Special PayPal Features
Name
Required
or
Optional Description
Character
Length
notify_url Optional The URL to which PayPal posts information about the
transaction, in the form of Instant Payment Notification
messages.
For more information about Instant Payment Notification, see the
Order Management Integration Guide
.
255
hosted_button
_id
Required
for buttons
that have
been saved
in PayPal
accounts;
otherwise,
not
allowed.
The identifier of a button that was saved in a merchant’s PayPal
account. Allowable values are assigned by PayPal when
payments buttons are first created and saved merchants’ PayPal
accounts.
N OTE: A merchant’s PayPal account can have a maximum of
1,000 saved payment buttons.
See
description.
T
ABLE A.1 Allowable Values for the cmd HTML Variable
Value of cmd Description