Hi Thomas Weidman,
Can you please elaborate on the question, probably include a sample use case? There are a number of approaches for this, however it depends on the desired outcome. Here is a forum thread
which discusses a possible extension of the built in routes.
All the best,
the Telerik team
Do you want to have your say in the Sitefinity development roadmap? Do you want to know when a feature you requested is added or when a bug fixed? Explore the Telerik Public Issue Tracking
system and vote to affect the priority of the items