Lines density with attractor points

Hello all!

I want to create some vertical lines between two curves but with different distance density with each other using some attractor points.
My definition seems that doesn’t work. May could you please help me with this?

line (11.0 KB)

Thank you

Something like this?

line (10.1 KB)

Yes HS_Kim thank you. I suppose that I can use more than one attractor points.