I was doing a late night work session and trying desperately to add a new Fusion builder element to my Avada Child Theme. No matter what I did, no matter how I checked the code, I could not make my new element show up. Googling found a number of people suffering the same issue, but no answers to their questions.
In the cold light of day, I realized what was wrong and how to fix it. I can only imagine those other questions went unanswered out of embarrassment when the original querant realized their error. To save whoever comes behind me face and time, here’s how to fix it:
Avada > Options > Builder Options
Make sure your new element is checked