[IC] passing variables from an HTML page to an Interchange page

[interchange-users@interchange.redhat.com (Kevin Walsh)]

> I'm seting up a store with a payement gateway (SIPS from ATOS, a french
> company).
> The CC verification process spend on the bank server. The customer type is
> CC number on a page generated by the bank server.
> 
> When all is OK, the customer see a page from the bank server saying him that
> is transaction is successfull.
> 
> In this page there is a form with an hidden fied called "DATA" and a submit
> button wich I can customize with a return URL.
> 
> I like to know how I can read the value of the DATA variable in a UserTag
> (The Usertag is used in the return URL) to update Interchange database.
> 
Try using $::CGI->{'DATA'} in your UserTag.

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