'Retrieve a single page of DocumentInstance records from the API.
Request is executed immediately
:param str page_token: PageToken provided by the API
:param int page_number: Page Number, this value is simply for client state
:param int page_size: Number of records to return, defaults to 50
:returns: Page of DocumentInstance
:rtype: twilio.rest.preview.sync.service.document.DocumentPage'

def page(self, page_token=values.unset, page_number=values.unset, page_size=values.unset):

    params = values.of({'PageToken': page_token, 'Page': page_number, 'PageSize': page_size})
    response = self._version.page('GET', self._uri, params=params)
    return DocumentPage(self._version, response, self._solution)
