Item fields are searchable metadata fields that describe items (files and folders) in Box. These fields expose built-in item properties such as name, type, owner, and timestamps with defined data types so you can filter, sort, and search Box content.
Supported item fields
The following table lists the item fields you can use in metadata queries.
| Field name | Description | Sorting |
|---|
item.type | Type of the item: file or folder | Yes |
item.name | Name of the item | Yes |
item.description | Description of the item | Yes |
item.extension | File extension, such as pdf, jpeg, xlsx, txt, xls, png, log, or csv | Yes |
item.owned_by | Owner of the item, for example user_123 | Yes |
item.owner_enterprise_id | Enterprise ID of the item owner, for example 1234 | Yes |
item.created_at | Date and time when the item was created in Box | Yes |
item.modified_at | Date and time when the item was last updated in Box | Yes |
Last modified on May 13, 2026