This mod is based on Perks for Challenges Remade and Perk for challenges. But mostly the remade. 
Read the original mods (but mostly the remade) to check in detail what this mod does. I don't know how to make a pretty description.

You can choose what perks you want to challenge in ini

Uses message box to notify you got the perk (like the remade). but you can chenge it to corner messages in the ini