|  Stairs  | 
 The width of the horizontal gap in the stairs notch. 
 Namespace: Autodesk.Revit.DB.Architecture
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
 Syntax   Exceptions
 Exceptions  | Exception | Condition | 
|---|---|
| ArgumentOutOfRangeException | When setting this property: The given value for notchHorizontalGap must be between 0 and 30000 feet. | 
| InvalidOperationException | When setting this property: The construction method of the stairs type is not "Precast" or the StairsEndConnectionType of the stairs type is not "Notch", so this related data cannot be set. | 
 See Also
 See Also