code: func (b *BigIP) RouteDomains() (*RouteDomains, error) {
  	var rd RouteDomains
  	err, _ := b.getForEntity(&rd, uriNet, uriRouteDomain)
  
  	if err != nil {
  		return nil, err
  	}
  
  	return &rd, nil
  }
docs: // RouteDomains returns a list of route domains.