How to set up address processing in Bitrix?

Question

1C-Bitrix

Good day
It is necessary to configure address processing on the Bitrix site so that, under a certain condition (from the cookie, it was written), one of the handlers is included, which adds a directory to EVERY page at the beginning, i.e. site.ru/catalogshould turn into site.ru/example/catalog, I tried to figure it out through the Bitrix documentation, but so far I have not found a solution, there is very little experience

Answer 1

And what is the reason for such an unusual case? Maybe the goal you are pursuing is solved in other ways?