PayPal Website Payments Standard - 2009 - Button Manager API (NVP) Guida Utente Scaricare il pdf (Pagina 43)

Button Manager NVP API June, 2009 43

HTML Variables for Website Payments Standard

HTML Variables for Individual Items

Name

Required

Optional Description

Character

Length

amount See

description.

The price or amount of the product, service, or contribution,

not including shipping, handling, or tax. If omitted from Buy

Now or Donate buttons, payers enter their own amount at the

time of payment.

z Required for Add to Cart buttons

z Optional for Buy Now and Donate buttons

z Not used with Subscribe or Buy Gift Certificate buttons

discount_amount Optional Discount amount associated with an item.

It must be less than the selling price of the item. If you specify

discount_amount and discount_amount2 is not defined, then

this flat amount is applied regardless of the quantity of items

purchased.

Valid only for Buy Now and Add to Cart buttons.

discount_amount

Optional Discount amount associated with each additional quantity of

the item.

It must be equal to or less than the selling price of the item. A

discount_amount must also be specified as greater than or

equal to 0 for discount_amount2 to take effect.

Valid only for Buy Now and Add to Cart buttons.

discount_rate Optional Discount rate (percentage) associated with an item.

It must be set to a value less than 100. If you do not set

discount_rate2, the value in discount_rate applies

only to the first item regardless of the quantity of items

purchased.

Valid only for Buy Now and Add to Cart buttons.

discount_rate2 Optional Discount rate (percentage) associated with each additional

quantity of the item.

It must be equal to or less 100. A discount_rate must also

be specified as greater than or equal to 0 for

discount_rate2 to take effect.

Valid only for Buy Now and Add to Cart buttons.

discount_num Optional Number of additional quantities of the item to which the

discount applies.

Applicable when you use discount_amount2 or

discount_rate2. Use this variable to specify an upper limit on

the number of discounted items.

Valid only for Buy Now and Add to Cart buttons.

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PayPal Website Payments Standard - 2009 - Button Manager API (NVP) Guida Utente Pagina 43

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