How do I manage that only a part is executed?

How do I manage that only a part is executed?

For example, I have 10 points that I want to connect with a polyline.
But now I decide to use only 20% or 50% of the points.

Is that possible?

PointsSubList.gh (6.7 KB)

Can it be that you need a plug-in?

Hi,

Cheers,
BVR

Thanks