|  Rebar  | 
 Return the Id of the parameter associated with this constraint. 
 Namespace: Autodesk.Revit.DB.Structure
Assembly: RevitAPI (in RevitAPI.dll) Version: 25.0.0.0 (25.0.0.0)
 Syntax
 Syntax  Return Value
ElementIdThe Id of the parameter, or InvalidElementId if the constraint does not have one.
 Remarks
 Remarks   Most subclasses of RebarShapeConstraint require a parameter. 
  See Also
 See Also