Add customfield on category view

-- HikaShop version -- : 2.3.4
-- Joomla version -- : 3.3.6
-- PHP version -- : 5.4
-- Browser(s) name and version -- : -
-- Error-message(debug-mod must be tuned on) -- : -

A customer wants a 'custom field' be showed in the category view of the Hikashop.

Have a look at the images.

How to do so?

Hello,
Can you tell me how you configured your custom field ? Where you want to show it ? And from which table is that custom field ?
Thanks.