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There are several issues with your code. You might want to try looking at some of the starting tutorials here in unity (maybe for scripting and later on whatever else you’re doing if you’re stuck).
GetComponent().controllomenu == 0;
is how you would do it.
However, you would not want to be using GameObject.Find in update (or at all, look for other alternatives).
Plus, unless you have a variable by the same name in both files (which is okay/no problem), there could be something amiss with having controllomenu in the file as is…
Anyhow, if you just wanted the " () " after … you’re all set! =)