code: func (s *ZonesService) GetZoneFile(accountID string, zoneName string) (*zoneFileResponse, error) {
  	path := versioned(fmt.Sprintf("/%v/zones/%v/file", accountID, zoneName))
  	zoneFileResponse := &zoneFileResponse{}
  
  	resp, err := s.client.get(path, zoneFileResponse)
  	if err != nil {
  		return nil, err
  	}
  
  	zoneFileResponse.HttpResponse = resp
  	return zoneFileResponse, nil
  }
docs: // GetZoneFile fetches a zone file.
  //
  // See https://developer.dnsimple.com/v2/zones/#get-file