code: func (no NetworkOffering) ListRequest() (ListCommand, error) {
  	req := &ListNetworkOfferings{
  		Availability: no.Availability,
  		ID:           no.ID,
  		Name:         no.Name,
  		State:        no.State,
  		TrafficType:  no.TrafficType,
  	}
  
  	return req, nil
  }
docs: // ListRequest builds the ListNetworkOfferings request
  //
  // This doesn't take into account the IsDefault flag as the default value is true.