A scope button appears in a scope bar above a view and is clicked to restrict the scope of content, such as search results, within the view. When searching for files and folders in the Finder, a scope bar offers buttons you can click to scope the search to specific locations. Scope buttons typically contain text, but can also contain icons.
Only display a scope button in a scope bar. Scope buttons aren’t intended for use outside of scope bars.
Apply the appropriate bezel style to a scope button. There are two bezel styles available to scope buttons. A recessed bezel is reserved for scope buttons that toggle on and off to narrow focus. A rounded bezel is reserved for scope buttons that initiate an action or specify search criteria.