How to add custom columns populated from Saved search to transaction records?

Hi,

I wanted to add some custom fields to the Fulfil Sales Order Page and followed the instructions from Suite Answers as below. I tried both scenarios with no results. I want to add multiple new fields to show the total Sales order quantity, total quantity committed and total quantity Backordered but I am not sure if this is possible or not. Please advise as the lack of information on the pages means that you cannot do bulk fulfilments with ease or understand if an order that is fully fulfilled by our warehouse is being fully fulfilled on the system. I