How to make a make a door that need two keys to unlock it?

[Anxt]

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SetLocalVarInt("KeysUsed", GetLocalVarInt("KeysUsed")+1);

AddLocalVarInt("KeysUsed", 1); would do the same.

Really? As in, that adds 1 to the counter? For some reason I assumed "AddLocalVarInt" meant create a new one, which now that you point it out, I realize that would be redundant.

This is why I am terrible at coding!