> ## Documentation Index
> Fetch the complete documentation index at: https://developer.box.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Query item fields

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     |
| `item.content_created_at`  | Date and time when the item was originally created, which might be before it was uploaded to Box | Yes     |
| `item.content_modified_at` | Date and time when the item was last updated, which might be before it was uploaded to Box       | Yes     |