If you want to separate your development/testing files from your actual SEB installation, I recommend copying the files in SafeExamBrowser\Application and the MonoMod files to their own directory.
MonoMod API documentation: [https://monomod.github.io/api/index.html](https://monomod.github.io/api/index.html)
MonoMod step-by-step example implementation: [https://github.com/TROYTRON/ti-mods/blob/main/tutorials/MonoMod%20Guide.md](https://github.com/TROYTRON/ti-mods/blob/main/tutorials/MonoMod%20Guide.md)