Knob Callbacks or Functions in Expressions

Hey Gurus,

I’ve got a PythonGeo node with a user knob (int) that the user enters a value into. Then, I want a float knob that evaluates a custom function using the int value. However, I can’t find a way to tell Nuke to run this function as it only seems to accept one-liners. The closest thing is the autoLabel knob since it evaluates automatically and you can pass it a callable function (as string). Is there another knob capable of this?

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