> I'm not 100% sure you really mean "template" here; you may be wanting
> to pass a fact to this function, and access the contents of the
> numLanes slot in that fact. You can use the fact-slot-value function
> to do this (see function list in manual.)

You are right, I am passing an instance of this template to the function
which would be a fact.  I see the fact-slot-value function but it takes
the fact-id as an argument - when I am writing my function, how do I
determine what the fact-id is?  

Thank you,

Noah

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