How do you use TextService:FilterStringAsync?

I've tried so many different methods but it never seems to filter the text no matter what I do. It just returns the string I sent completely uncensored.

How do you properly use FilterStringAsync? I think I'm doing it wrong. Did it not work since I tried with a LocalScript?

For anyone returning to this, iirc I think FilterStringAsync only works in Roblox Player and not in Roblox Studio.

Text Service

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