# Custom fields **Custom fields** can be used optionally to add additional information to the devices, e.g. Serial Number, Battery Replacement Date, or GPS coordinates. By adding important information to a device, it helps to manage the device fleet more efficiently. ### 1. Custom fields during device creation A **Custom Field** can be added to a device during the step of device creation. *+ Add Custom Field* needs to be selected. ![Custom fields during device creation](https://2165942204-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MMKXTFIN5ZlLOjBlfC4%2Fuploads%2FkcWoqBEUSSkVfTB0E4HZ%2Fscreely-1685009514484.png?alt=media\&token=67af5cca-6d1a-4242-8086-f4136111f5f6) An existing or a new **Custom Field** can be selected or created. Following **field types** can be chosen to define a Custom Field further: * Number * Text * Date * JSON * GPS coordinates ![Different field types of Custom field](https://2165942204-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F-MMKXTFIN5ZlLOjBlfC4%2Fuploads%2FYit1Z6CpE8V6DOqEfooK%2Fscreely-1685031512958.png?alt=media\&token=e72a93bb-b6f2-46b1-bb96-cde0be0c59ab) {% hint style="info" %} Custom fields can be also displayed as columns on the **Asset Inventory Overview**. Via filter on the **Asset Inventory Overview,** Custom fields can be searched to view all Assets with the same Custom field description. {% endhint %} ### 2. Adding custom fields in custom fields management section A **custom field** can be added or edited in the Custom Fields management in the workspace settings. Already existing custom fields can be viewed and modified. A new custom field can be created or a set of custom fields can be imported using bulk import (see the template below). For *Text* and *Number* field types it is possible to add, edit or remove select options that should be available as possible custom fields values.

A bulk import template for custom fields can be downloaded here: {% file src="" %}