User Guide

Button Manager NVP API April 2012 57
HTML Variables for PayPal Payments Standard
HTML Variables for Individual Items
A
option_index See
description.
The cardinal number of the option field, on0 through on9,
that has product options with different prices for each option.
Include option_index if the option field with prices is not
on0.
 Optional for Buy Now, Add to Cart, Subscribe,
Automatic Billing, and Installment Plan buttons
 Not used with Donate or Buy Gift Certificate buttons
Default – 0
option_select0 Optional For priced options, the value of the first option selection of
the on0 dropdown menu. The values must match exactly, as
the following sample code shows:
<option value="small">small - $10.00</option>
...
<input type="hidden" name="option_select0"
value="small">
 Optional for Buy Now, Add to Cart, Subscribe,
Automatic Billing, and Installment Plan buttons
 Not used with Donate or Buy Gift Certificate buttons
64
option_amount0 Optional For priced options, the amount that you want to charge for
the first option selection of the on0 dropdown menu. Use
only numeric values; the currency is taken from the
currency_code variable. For example:
<option value="small">small - $10.00...
<input type="hidden"
name="option_amount0"</option> value="10.00">
 Optional for Buy Now, Add to Cart, Subscribe,
Automatic Billing, and Installment Plan buttons
 Not used with Donate or Buy Gift Certificate buttons
64
Name
Required
or
Optional Description
Character
Length