code: func (b *BigIP) CreateRouteDomain(name string, id int, strict bool, vlans string) error {
  	strictIsolation := "enabled"
  	vlanMembers := []string{}
  	rawVlans := strings.Split(vlans, ",")
  
  	for _, v := range rawVlans {
  		vlanMembers = append(vlanMembers, strings.Trim(v, " "))
  	}
  
  	if !strict {
  		strictIsolation = "disabled"
  	}
  
  	config := &RouteDomain{
  		Name:   name,
  		ID:     id,
  		Strict: strictIsolation,
  		Vlans:  vlanMembers,
  	}
  
  	return b.post(config, uriNet, uriRouteDomain)
  }
docs: // CreateRouteDomain adds a new route domain to the BIG-IP system. <vlans> must be separated
  // by a comma, i.e.: "vlan1010, vlan1020".