How do I send a custom variable to paypal using courchcart?

How do we set the pp_custom_var variable for checkout?

[KK]

Hi,

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<cms:paypal_button  custom="hello world" />

or a variable -

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<cms:paypal_button  custom="<cms:show some_variable />" />

The value will be returned with the incoming IPN. You can retrieve it in the cms:paypal_processor block (http://www.couchcms.com/docs/tags-refer ... essor.html) processing the IPN as

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<cms:show pp_custom />

You might find the following thread useful where we make use of the returned custom value in IPN to activate a member - viewtopic.php?f=4&t=8976

Hope it helps.