I'm wondering if it's possible to nest collapsible containers? In the picture below I have a container containing various lists of text organised in "sections"; it'd be great to be able to collapse the sections individually as well.
Related query, since I'm creating those boxes programmatically – is it possible to create the text content programmatically and not need to position them with absolute y positions? With the user interface I can just add a new text box and it automatically stacks below the current one, and the container expands. If I create those with a script it seems I need to provide the y positions and sizes myself.