How to add a custom field to a CPT admin table

HI,
I’ve setup a CPT for “available properties” and added several custom fields using the Geodirectory feature for adding fields (i.e., not PODS). For example sq. ft., price, etc. Using “Show in what locations?” I can get them to display on the front end easily.

Now I need to show them as a column on the back end, on the list/table that displays all records.

How would I go about doing that?
Thanks,
Paul