'Shows a bit of information on where the exit leads.
Args:
caller (Object): The object (usually a character) that entered an ambiguous command.
Returns:
A string with identifying information to disambiguate the command, conventionally with a preceding space.'

def get_extra_info(self, caller, **kwargs):

    if self.obj.destination:
        return ('    (exit    to    %s)' % self.obj.destination.get_display_name(caller))
    else:
        return ('    (%s)' % self.obj.get_display_name(caller))
