Pipe Level ID is <null>

Hi , i am trying to filter my pipes with levels , problem is when i check the level ID of a pipe it gives me value null
I inspected that with a plugin : Revit LookUp it"s says the same
When i searched in ReviAPIDoc i find that the pipe can have this property .
is it normal ?

What level would a pipe that runs from the basement to the second floor have?

1 Like

You are looking for the parameter named: Reference Level

1 Like

Yes , thanks i understand when you say it this way ^^ , but when I use Pipe.Create(LevelId) what level it takes ? because many time i use that it takes the “Reference Level” but will create it at the height of my last pipe created manually