Starred bookmarks will appear on your dashboard. If you click the play button the 3D view will open with a recreation of the bookmark.

Here are the steps to add a bookmark:

You are on the "Bookmarks" tab

2. "Take a snapshot" of your bookmark

3. Add a description (optional)

4. Sharing

You can choose to share or not your "private bookmark / share with the project"

5. Models and revisions

You have two options: either to always "follow the latest revision" of your selected models or to permanently lock the bookmark to these current revisions "Lock to original revisions".

6. "Create."