You're referring to ScriptHookV .NET, a popular modding framework for Grand Theft Auto V!
Plugins folder, not the scripts folder.What modders get excited about
It reduces the overhead required to translate .NET commands into the game’s native language, ensuring that script-heavy mods (like total conversions or complex AI overhauls) don't tank the player's frame rate. scripthookvdotnet 304
In the SHVDN console, you may see a log entry like: Failed to create native function handler for 0x304... This usually indicates a missing dependency or a script attempting to call a game function that doesn't exist in your current GTA V version (often because the game updated and SHVDN hasn't been recompiled). You're referring to ScriptHookV