Select class names from the navigation tree to the left. The tree is hierarchical and will show all of the classes in Bricolage. The triangles indicate those that have subclasses, while the diamond icon represents classes without subclasses.
You can access the API browser at any time at this URL. But you can also link to a particular Bricolage class, and the browser will load that class, with the navigation open to and highlighting the class. You can use a few different ways of linking to a specific class. For example, if you wanted to access Bric::Biz::Site, any of these links will work:
Happy Hacking!