The parameter which will be evaluated to pass this rule.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 20.0.0.0 (20.0.0.377)
Since: 2020

Syntax

C#
`public ElementId Parameter { get; set; }`

Visual Basic
`Public Property Parameter As ElementId Get Set`

Visual C++
`public: property ElementId^ Parameter { ElementId^ get (); void set (ElementId^ value); }`

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentNullException	When setting this property: A non-optional argument was NULL