BuiltInFailuresStairRampFailuresMultistoryStairsHideTopLevelParameter Property

You have set the stair's multistory top level to None, and Revit will remove this parameter, if you want to create a multistory stair, please use Create Multistory Stair feature.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
Syntax
public static FailureDefinitionId MultistoryStairsHideTopLevelParameter { get; }

Property Value

FailureDefinitionId
See Also