PayPal
Shopping Cart
Html Code and Variables
Technical
Details
An explanation of variables used in the PayPal version of our shopping cart. You can find
these variables be viewing the html code of the order form generated by the program. The
values are set automatically by the setup program and under normal circumstances should
not be altered.
CMD
This is set to _cart . This passes the details of the items to be
purchased to PayPal as a set of individual items. Information about
each item is included in the buyer's and seller's history logs and notifications.
upload
New variable used in conjunction with CMD when uploading the details of
one or more items. This is set to 1.
business
Email address of the business account that the merchant has registered with PayPal.
bn
Build Notation Identifier. This is used is identify who supplied the shopping cart
software you are using to PayPal. In our case the bn variable used a partial url and is
set to online-store.co.uk. All members of the PayPal Developer Network who are listed on
the PayPal website have a Build Notation Identifier.
lc
Locale. The represents the country that the PayPal checkout initially assumes the buyer is
from. We set the country to correspond to the currency being using be the merchant.
For US dollars this is set to US English. Pounds and Euros to UK English, Canadian Dollars
to Canada, Australian dollars to Australia and Yen to Japan. These country options can be
overridden by the buyer.
currency_code
The currency of the payment. Possible
values are “USD” (U.S. Dollar), “EUR” (Euro), “GBP” (British
Pounds), “CAD” (Canadian Dollar), ,"AUS“, (Australian Dollars), "JPY” (Yen).
no_note
Set by the Notes drop down menu. This allows the customer to include a note with
the purchase. If you set this option to No your customer will not be prompted to include a
note. If set to Yes the customer will be prompted to include a note. The actual code used
is no_note=0.
no_shipping
Set by the "Include a Shipping Address" drop down menu. If set to No you
customer will not be asked for a shipping address. If set to Yes the customer will be
prompted for a shipping address.The actual code used is no_note=0 when Yes is selected.
no_note=1 when No is chosen.
cancel_payment
If used this is the internet address that the customer is returned to after a
payment is cancelled.
return
The URL where the customer will is returned to, after completing the
payment. If left blank, the customer is taken to the PayPal website.
Each of the following variables is given a number to identify the item to which it
belongs. Where x represents the item number, starting with 1 and increasing by one for
each item added.
quantity_x
The quantity of an item.
cn0_x
First drop down menu field name for
item #x.
os0_x
The value that the First set drop down menu cn0_x is set to
item_number_x
An optional pass-through variable that allows the merchant to track
orders. It will get passed back to you at the completion of the payment.
item_name_x
Name of item #x in the shopping cart. Must be alpha-numeric.
amount_x
(Required variable) Cost of the item #x
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