Pipe   |  
 The abbreviation of the Set Up (SU) string. 
 Namespace: Autodesk.Revit.DB.Plumbing
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
| Exception | Condition | 
|---|---|
| ArgumentNullException | When setting this property: A non-optional argument was null |