Get pipes with certain direction

[Yna_Db]

Can you please refer to what you have tried so far and/or to related posts such as this one?

Reading direction property of connectors on ducts/pipes

Seems to be working fine for me: in the picture below the open end of the labeled duct, shows ‘false’ in my script indicating it’s the open end on the duct and the corresponding index for the direction is set to ‘In’ which is also correct. [image] Maybe you could show some more of your work and show us where things are going wrong for you.