A system allows you to set up account-like method to custom behavior. Feel free to customize it if needed. This prefab is using UdonSharp so please import UdonSharp before importing this prefab, a tool developed by Merlin for C# coding within Udon: https://github.com/Merlin-san/UdonSharp You can find the prefab in this world: https://vrchat.com/home/launch?worldId=wrld_1ec7006b-43f0-4336-8619-fffab7a39129