Lacking function in the event editor

Hi!
Yesterday I've noticed that I can create an event like:

Code:

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-Number of objects("Active") in a zone (blah, blah) = x ---> ...

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...but I can't do something like this:

Code:

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-Some event ---> Set counter to Number of objects in a zone (blah, blah)

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I was surprised that there's no option like that (or maybe I'm blind and I can't find it, then sorry xD). I've solved this problem with two events comparing the counter with the number of objects in the zone and increase/decrease it if it's lower/greater, but I think it would be easier if we were just able to get the number of objects in a zone.

Condition: Pick all objcts in a zone (from the Create Object)
Effect: Set counter to Count( "Your Object" )

Your solution doesn't work for me, but that's not the point of this subject.
Like I said, I've already solved this problem, but I just think it would be much easier to be able to get the number of objects in a zone with just a simple function.

LB: I think you need the 'Select object' to count the objects with that technique.