Adding a Bookmark
To add a bookmark right-click the timeline at the point you wish to add a bookmark and select Set Bookmark.
The Edit Bookmark dialog will open. Enter the bookmark's name and choose the color you would like your bookmark to be by clicking the color sample, then click OK.
Editing Bookmarks
To change the name or color of a bookmark, right-click it and select Edit Bookmark... The Edit Bookmark dialog will open.
Removing Bookmarks
To remove a bookmark, right-click it and select Remove Bookmark.