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Roblox newindex script implementation is something you'll eventually run into once you start moving past basic part manipulation and dive into the world of Luau metatables. It sounds a bit technical, and honestly, the name doesn't do it any favors, but it's one of the most powerful tools in a scripter's toolkit. Essentially, we're talking about the __newindex metamethod. If you've ever wanted to "trap" the moment a value in a table gets changed—maybe to prevent a player from setting their walkspeed too high or to automatically update a UI element whenever a score changes—that's exactly where this comes in. ...