Id of the category that drives the default naming scheme for the assembly instance.

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

Syntax

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

Visual Basic
`Public Property NamingCategoryId As ElementId Get Set`

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

Exceptions

Exception	Condition
Autodesk.Revit.Exceptions ArgumentException	When setting this property: This naming category was not valid for an assembly instance containing the proposed members. The naming category should match one of the member element categories.
Autodesk.Revit.Exceptions ArgumentNullException	When setting this property: A non-optional argument was null