Finding out the U Count for Component: Surface from Points

Hey guys,
I´m a beginner with grasshopper and I can’t figure out the right U Count for the “Surface From Points”-Comonent. I’d be very thankful for any help!!
Thank you,
Juliana

Bildschirmfoto 2020-05-11 um 20.30.00

Flatten the ‘Points’ list and use ‘Extent X’ + 1 for the ‘U Count’ (an ‘x+1’ expression on that input will do it).

Thank you!