code: def get_request(self, request):
          
          return [DownloadRequest(url=self._get_url(item),
                                  filename=self._get_filename(request, item),
                                  data_type=request.image_format)
                  for item in self._get_items(request)]
docs: Get a list of DownloadRequests for all data that are under the given field in the table of a Geopedia layer.
  
          :return: list of items which have to be downloaded
          :rtype: list(DownloadRequest)