The )EVENTS system command lists the Events that may be generated by the object associated with the current space.

For example:

      ⎕CS 'BB' ⎕WC 'BrowseBox' 
 
      )EVENTS
Close   Create  FileBoxCancel   FileBoxOK

)EVENTS produces no output when executed in a pure (non-GUI) namespace, for example:

      ⎕CS 'X' ⎕NS ''
      )EVENTS