def message (self, say_obj, to, **options):
        """
        A shortcut method to create a session, say something, and hang up, all in one step. This is particularly useful for sending out a quick SMS or IM.
        Argument: "say_obj" is a Say object
        Argument: "to" is a String
        Argument: **options is a set of optional keyword arguments.
        See https://www.tropo.com/docs/webapi/message
        """
        if isinstance(say_obj, basestring):
            say = Say(say_obj).obj
        else:
            say = say_obj
        self._steps.append(Message(say, to, **options).obj)