Recently we’ve added a “Custom fields” button in the subscribers’ section. By clicking on the button you’ll be redirected to a new section which will show you the full list of custom fields that are already created. Also, you’ll be able to create new custom fields for stored subscribers without going to every subscribers’ list individually. Click on the “Create custom field” button to create and customize a new field.
There’re several field types:
Once a new custom field is created, it’ll attach to all recipients in your account.