> For the complete documentation index, see [llms.txt](https://help.nobi.pro/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.nobi.pro/setup/settings/data-fields.md).

# Data Fields

Some functions can be changed in the information in the fields. 

* Customers tab: Users can add or remove information fields to the following functions: Add new, update, import customer files. 
* Contract tab: Add new, update, import contract excel 
* Company tab: Add new, company update 
* Product attributes tab: Add new, update the attributes.

To add, edit or delete the fields, please follow:

* **Add:** Click Button **Add Fields >>** Fill out all the required fields in the popup window **>** Click **Add** to finish.

![](/files/YsITOyGHdFPXKBDhqSsK)

* **Edit:** Click symbol **Edit >> Change the information needed > Click Update/ Cancel to finish.**
* **Delete:** Click symbol **Delete >** Select **Agree** to delete or **Dismiss** to cancel.

![](/files/qZX2ZNRLxQgKU73ZRSkp)