This is a very simple rule chunk. The idea is to allow integration into a web application which may typically be CRM or some other form of contact system.
This has been superseded by baaxml which offers the same functionality plus much more.
It will append some get variables to the URL for each call to the url.
The following variables will be called if the url is called at the start of the call
The following variables will also be added if the url is called at the end of the call