To create a custom static fields in the Devices table on the Devices page, first click on the Devices Table Menu button and then select Manage Static Fields.
Provide a name for the new field and click on the Save button for the field.
The created static field will show at the end of the available columns in the Devices Table Menu. To manage columns please refer to Manage Devices Table Columns.
If you want to remove a custom static field, click on the trash can icon next to the item you want to delete.
To edit a static field for a device click on the Edit button under the "Actions" Column of the Devices Table.
In the Edit Device: section of the edit pop-up select the Static Field you want to edit and then provide the value for that field. When you are finished click Save.
If you add the column to the table you will see the value for that field and device: