A string which users can store notes in.

Namespace: Autodesk.Revit.DB
Assembly: RevitAPI (in RevitAPI.dll) Version: 22.0.0.0 (22.1.0.0)
Since: 2012

Syntax

C#
`public string UserData { get; set; }`

Visual Basic
`Public Property UserData As String Get Set`

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

Remarks

Revit stores the systems analysis report path in this data if any report exists in the document, so eTransmit can include all external reports.

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