'Create a new DocumentInstance
:param unicode unique_name: The unique_name
:param dict data: The data
:returns: Newly created DocumentInstance
:rtype: twilio.rest.sync.v1.service.document.DocumentInstance'

def create(self, unique_name=values.unset, data=values.unset):

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