> For the complete documentation index, see [llms.txt](https://guide.hardfin.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://guide.hardfin.com/run-your-business/assets/manage-asset-metadata.md).
# Manage asset metadata
Asset **metadata** define details for each asset based on the [fields that are defined for that item](/set-up-the-basics/items/manage-item-fields.md). Metadata is set for the specific asset, so that each asset of this product type can have different metadata.
Item **fields** define data that may be relevant for all the assets of that item type. These fields appear on each asset of this item type, so that the fields can be filled in as asset metadata.
{% hint style="info" %}
Item fields are only available for **tracked device** items.
{% endhint %}
Example product fields
For example: a product **Lawnmower** might be associated with fields **blade size** and **horsepower**. If assets with serial numbers MOW-101, MOW-102, and MOW-103 are associated with the Lawnmower product, the company can configure each serial number with appropriate metadata (such as 21" blades and 5 horsepower).
Some common use cases for product fields to define asset metadata:
* Revision
* Hardware version
* Firmware version
* Software version
* Brand/OEM
* Model number
* Color
* Source
## **Adding item fields**
Click the "Add field" button to add a new item field. This new field will apply to all assets of this item type. Enter the **name** of the field and choose the **type** of data to use for the field. Then click the "Add" button.
Add product field
## **Rearrange field order**
The items field order controls how the fields appear on each asset page when viewing asset metadata. The field order can be rearranged using drag-and-drop. Once you have re-arranged the fields, click "Save order" to apply the new ordering.