I was looking into adding companion perks that take effect whenever you add a follower to your party, similar to how New Vegas has companion effects. To start off with just some generic stuff like Housecarl %25 better prices from merchants in X HoldSome hold-specific advantage%25 armor for partyThief Nighteye when sneakingAll followers are invisible when sneaking%25 fortify stealth and lockpickCraftsmen Follower can open the crafting dialogHarvest more of the followers type of craft from containers What would I have to learn to implement such a thing?