Subelement Properties

Name	Return Type	Description
P Category	Category	Retrieves a Category object that represents the category or sub category of the subelement.
P Document	Document	The document in which the subelement resides.
P Element	Element	The element in which the subelement resides.
P IsValidObject	Boolean	Specifies whether the .NET object represents a valid Revit entity.
P TypeId	ElementId	The identifier of this subelement's type.
P UniqueId	string	A stable unique identifier for this subelement within the document.