kAXUnknownSubrole
Declaration
var kAXUnknownSubrole: String { get }Discussion
A subrole for an unknown type of window. A window should include a subrole to further define its type. If your window does not conform to an existing subrole, you can use the unknown subrole. Alternatively, you can return the eventNotHandledErr error when your window is asked for its subrole.