code: def update(self, language=values.unset, tagged_text=values.unset,
                 source_channel=values.unset):
          
          return self._proxy.update(language=language, tagged_text=tagged_text, source_channel=source_channel, )
docs: Update the SampleInstance
  
          :param unicode language: The ISO language-country string that specifies the language used for the sample
          :param unicode tagged_text: The text example of how end users might express the task
          :param unicode source_channel: The communication channel from which the sample was captured
  
          :returns: Updated SampleInstance
          :rtype: twilio.rest.autopilot.v1.assistant.task.sample.SampleInstance