public string CADLinkUniqueId { get; }

Public ReadOnly Property CADLinkUniqueId As String
	Get

public:
property String^ CADLinkUniqueId {
	String^ get ();
}

This id can be passed to obtain the element from Document.Element[string] property, but any link obtained through this method may no longer be a valid or up-to-date link. The originating CAD link is only accurate and up-to-date at the time of creation of the energy model. An empty string is returned if the originating CAD object is not hosted in a linked document.