There are many other PayPal optional parameters that you can add to the form described in the book using fixed, variable or calculated values. We’ll create a dynamic ‘Thank you’ page to give you an idea of how they work.

Level: moderate, requires PHP knowledge.

This How-to document links to the recipe ‘Creating a PayPal purchase from with the ReDirect plug-in’ in Chapter 11 ‘Using Form Plug-ins’ of the “ChronoForms 3.1 for Joomla! sites cookbook”.

Important: This document was written for ChronoForms v3 on Joomla! 1.5; it may be possible to adapt the contents to ChronoForms v4 and/or Joomla! 1.6 but this has not been tested.