Specifies the numerical parameter assigned to the fabric sheet and any sheet of the same type, dimension, material, shape, and partition. 
   Namespace:   Autodesk.Revit.DB.Structure  
  Assembly:   RevitAPI  (in RevitAPI.dll) Version: 17.0.0.0 (17.0.1090.0) 
  Since:  2017 
Syntax
Remarks
 Value of this property corresponds to the  Fabric Number  parameter of Rebar as available in both the UI and API. Refer to the  [!:NumberingSchema]  class for details related to numbering Rebar and Fabrics.