This property is read-only..

The object identifier is used for the identification of pages in accordance with DIN EN 61355-1. In doing so, the object identifier assigns a document (i.e. a project page) to a certain object (e.g. a function, a location, or a product).

This property is used as part of a name. In order to set it, member NameParts must be used on object which name will be changed. Additionally for setting this property on a Page object, a function Page::SetName() or the Page constructor can be used.

Reference

PagePropertyList Class
PagePropertyList Members