> For the complete documentation index, see [llms.txt](https://fredhopper.gitbook.io/product-discovery/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://fredhopper.gitbook.io/product-discovery/sending-and-managing-product-data/what-is-the-items-api/working-with-items/item-schema/list-of-reserved-attributes.md).

# List of Reserved Attributes

| Field name | Type    | Mandatory | Description                                                                                                                             |
| ---------- | ------- | --------- | --------------------------------------------------------------------------------------------------------------------------------------- |
| image      | Text    | no        | Main picture for the product (used to display the product in the BO / Chrome extension).                                                |
| title      | Text    | no        | Title of the product for display in BO                                                                                                  |
| price      | Integer | no        | Main selling price in cents in the main currency (used for analytics)                                                                   |
| available  | Boolean | no        | Map to recommended in XO.                                                                                                               |
| tags       | List    | no        | Map to categories in XO                                                                                                                 |
| url        | Text    | no        |                                                                                                                                         |
| categories | List    | no        | List of categories tree's leaf, mapped to categories in FHR. Each leaf is defined as a string, which is often the slug of the category. |