The formula.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 2015.0.0.0 (2015.0.0.0)

Syntax

C#
`public string Formula { get; }`

Visual Basic
`Public ReadOnly Property Formula As String Get`

Visual C++
`public: property String^ Formula { String^ get (); }`

Remarks

Returns a null reference ( Nothing in Visual Basic) if there is no formula governing this parameter.