PayPal Website Payments Standard - 2009 - Button Manager API (NVP) Uživatelská příručka stáhnout pdf (Strana 42)

HTML Variables for Website Payments Standard

HTML Variables for Individual Items

42 June, 2009 Button Manager NVP API

Allowable Values for the cmd HTML Variable

HTML Variables for Special PayPal Features

HTML Variables for Individual Items

HTML variables for individual items specify information about a product or service for Buy

Now and Add to Cart buttons, or they specify information about a contribution for Donate

buttons.

Value of cmd Description

_xclick The button that the person clicked was a Buy Now button.

_donations The button that the person clicked was a Donate button.

_xclick-subscriptions The button that the person clicked was a Subscribe button.

_oe-gift-certificate The button that the person clicked was a Buy Gift Certificate button.

_cart For shopping cart purchases; these additional variables specify the

kind of shopping cart button that the person clicked:

z add – Add to Cart buttons for the PayPal Shopping Cart

z display – View Cart buttons for the PayPal Shopping Cart

z upload – The Cart Upload command for third party carts

_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.

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.

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.

NOTE: A merchant’s PayPal account can have a maximum

of 1,000 saved payment buttons.

See

description.

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