I have several custom fields that I use for my workspaces. I would like the option to be able to choose the custom fields as the fields that would be shown if I were to go to the related tasks section within the parent task so that I do not have to open up the related task itself to see them.

In the image attached, these are expenses that have been added/related to an invoice task. I would like to be able to see the amount I am to invoice in the custom fields. It is not currently in the list of fields to choose from.