'Update the DocumentInstance
:param dict data: The data
:returns: Updated DocumentInstance
:rtype: twilio.rest.preview.sync.service.document.DocumentInstance'

def update(self, data):

    data = values.of({'Data': serialize.object(data)})
    payload = self._version.update('POST', self._uri, data=data)
    return DocumentInstance(self._version, payload, service_sid=self._solution['service_sid'], sid=self._solution['sid'])
