Only the "add or override a property" from page 8 or ~6:45 in the video touched on or near my question.Once the overlay node is created in the jcr, is there any way to dynamically add the children (the items that would be populated in the dropdown) to it from identical locations throughout different...

For a very big project, I am currently overlaying the page creation wizard with an added dropdown. I am trying to populate the dropdown with nodes stored under 'etc/designs/themes' in the jcr.  I can tell that the 'optionPath' attribute is working (because I have 5 nodes in that path and there are 5...