| Attribute name | Attribute type | Docstring | Unit |
| file_deleted | int | Switch to indicate if file has been deleted from the data server(s) | |
| filename | str | The name of the associated file | |
| globalname | str | The name used to store and retrieve file to and from Storage | |
| object_id | oidtype | The object identifier
The object identifier is an attribute shared by all persistent instances. It is the prime key, by which object identity is established | |