Different objects may represent different kind of entities — one object may represent a workflow while another object may represent a document, for example. As a result, these objects may have different properties and methods. Each time an object is created in the repository, it needs to be determined what properties and methods it is going to have. This information comes from an object type.
An object type is a template for creating objects. In other words, an object is an instance of its type. A Documentum repository contains many predefined types and allows addition of new user-defined types (also known as custom types). User-defined types offer important capabilities and are described in detail in a separate chapter — Custom Types.
The most commonly used predefined object type for storing documents in the repository is dm_document. Objects in a repository can be organized using folders, which are stored as objects of type dm_folder. The root folder in a folder tree...