How roblox debug.getconstants works in Luau scripts

If you have spent any time poking around the more technical side of Luau, you have likely come across roblox debug.getconstants and wondered what it actually does for your code. It is one of those functions that feels a bit "underground" because you won't usually find it in your everyday local script inside Roblox Studio. In fact, if you try to run it in a standard environment, the engine will probably just throw an error at you. But in the world of reverse engineering, debugging, and script analysis, it is a heavy hitter that reveals exactly what is happening inside a compiled function. ...

February 19, 2026 · 7 min · Longo Giulia