Set response reprompt output speech as SSML type.

        Args:
            ssml: str. Response speech used when type is 'SSML', should be formatted
                with Speech Synthesis Markup Language. Cannot exceed 8,000
                characters.

def set_reprompt_ssml(self, ssml):
        """Set response reprompt output speech as SSML type.

        Args:
            ssml: str. Response speech used when type is 'SSML', should be formatted
                with Speech Synthesis Markup Language. Cannot exceed 8,000
                characters.
        """
        self.response.reprompt.outputSpeech.type = 'SSML'
        self.response.reprompt.outputSpeech.ssml = ssml