There is plenty of insight into the Drone Hacks program.
However, with thousands of DJI parameters, most of the parameters focused upon by others have been related to FCC range, NFZ's, height limits, ascent and descent speeds, Autolanding, and Smart Go Home, rather than the front and rear lights. Most of the parameters have relatively appropriate names, and you can search all parameters for matching specific words or phrases, to play around among the matching results of your search.