Take a look at post below, it tells how to make a table that does not as a standard in system have change log, get ability to turn log on via data directive bpm. After making it work via the zDataTable in the instructions, then in the data directive bpm on Memo table, you should get the ability to turn change log on the memo category id field. You can then review data on changes using BAQ if needed, or you’ll need to do a customization to the memo form to show change log.
