See the pinned list of Ruby Learning Resources that I posted in the Ruby API subcategory …
… and please post your Ruby coding questions in the Ruby API subcategory.
This is what we’d call “read only” access.
I have actually been attempting to create just such an example, but it has become too complicated (because of platform differences and language translation issues,) to serve as a novice example.
So I am in need of another kind of SketchUp data for a simpler example.
(1) What kind of “model values” would you want to see but not change ?
(2) What kind of “model values” would you want to be able to edit in the HTML dialog ?