I think that most readers of this topic overlooked the importance of your reply because I myself did just that! Was looking for a way to add a Listener for dynamic named cloud variables and saw these two posts that have since been closed that did not have solutions:
So I meditated on what @drted had shared in this topic and figured I’d try the Realtime DB Add Listener block to see if it would work and it did. Then I saw your reply all the way at the bottom of this topic afterwards when I wanted to give @drted credit for this discovery that I just discovered that you had already beat me to (after a couple hours of almost giving up). Here are the screenshots of my example:
This is so valuable for me since only Cloud variables synchronize across different screens of the app with variable listeners. Listeners for dynamically named Cloud variables and sub-buckets makes it even better. PEace