It's a bit tedious to even try it in my experience: you have to use Unreal Engine for Fortnite and interact with the code through that (no publicly available compiler/VM afaik). They have some docs at least on setting it up but still depends on having UEFN which is a little unfortunate: https://dev.epicgames.com/documentation/en-us/uefn/verse-api, https://dev.epicgames.com/documentation/en-us/uefn/starting-...