Il2CppScheduleOne - FearAndDelight/Schedule-1-Modder-Documentation GitHub Wiki
This will require adding the assembly-csharp in
Schedule I\MelonLoader\Il2CppAssemblies
using Il2CppScheduleOne;
Il2CppScheduleOne gives you access to any method, variable, and class within the game. If you know where you're poking around you can use this to great effect.