P

AssemblyInstance.NamingCategoryId

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

public ElementId NamingCategoryId { get; set; }

Public Property NamingCategoryId As ElementId
Get
Set

public:
property ElementId^ NamingCategoryId {
	ElementId^ get ();
	void set (ElementId^ value);
}

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