How do I disable a node if there is no input

Feb 15

How do I disable a node if there is no input

I’m using this expression
[exists.parent.input0]

The problem I’m running into is it doesn’t seem to re-evaluate when a node is connected or unconnected.

Essentially, I want to return a value of 1 or 0 if a node is connected or not.

It’s working if I do it on a node itself, but if I try and put it on a node INSIDE a GROUP (and input node) , it doesn’t seem to re-evaluate if something is indeed connected to it or not

Any ideas?

Thanks in advance.

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