Question: Is Bezier Curves task working? And how to connect?

I've tried every which way to get the Bezier Curves task to work.  I have embedded it in an existing document and in a new one using Tools / Tasks / Bezier Curves, and it doesn't work at all for me.  Sometimes I get errors when I click Initialize (not always), and I never get any reaction from clicking or dragging in the plot.  Is this me or the task?

I also can't see any of the inner workings of the task.  I don't see how the slider connects to the n variable, or how the plot is generated, or where the plot points come from.  Therefore I can't see how to customize the task for my use.

I've seen other Maple documents like this in Help, too.  How do I see and modify the inner workings of these documents?

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