code: func (r Network_Vlan) GetPublicVlanByFqdn(fqdn *string) (resp datatypes.Network_Vlan, err error) {
  	params := []interface{}{
  		fqdn,
  	}
  	err = r.Session.DoRequest("SoftLayer_Network_Vlan", "getPublicVlanByFqdn", params, &r.Options, &resp)
  	return
  }
docs: // Retrieve the VLAN that belongs to a server's public network interface, as described by a server's fully-qualified domain name. A server's ''FQDN'' is it's hostname, followed by a period then it's domain name.