Version 15.2 Feature
This feature is only available in the latest version.
With version 15.2 you will now have a lot of flexibility for tracking customer information and viewing this information from the management table views.
Select Custom Fields Configuration from the "..." dropdown
Configuring Manage Table Fields
To display the custom fields in the manage customers table enable them from the gear dropdown menu. you can also rearrange the order of the columns by dragging them .