[TYPO3] RealURL and Trackpoint?

[Matthew Manderson]

Regards
Anyone on the list using RealURL with Interspire TrackPoint?

To help measure incoming PPC advert traffic TrackPoint generates coded URL's
eg.
http://www.domain.com/es/espana/madrid.html?ppce=dT00JmU9R29vZ2xlJm49ZmxvciBtYWRyaWQmYz0wLjI%3D

I can't work out see which of RealURL sections should be used to manage this
incoming new var 'ppce'?

Would anyone point me in the right direction?

Thanks,
Matthew