In this post we will see how to set customfield list in Netsuite using PHP Suitelet $so = new SalesOrder(); $so->entity = new RecordRef(); $so->entity->internalId = 1694; $so->itemList = new SalesOrderItemList(); $aSelectField = new SelectCustomFieldRef(); $aSelectField->value = new ListOrRecordRef(); $aSelectField->value->internalId ...