How to Programmatically Close a Sales Order in NetSuite via SuiteScript?

The recommended and supported method for effectively 'canceling' a sales order via SuiteScript, particularly for orders that are no longer in a 'Pending Approval' state, is to 'close' the order. This is achieved by setting all individual line items on the sales order to a 'Closed' status. When all lines are closed, the sales order's overall status will reflect 'Closed'.This process typically involves:

1. Loading the sales order record.

2. Iterating through each sublist line item (e.g., 'item' sublist).

3. Setting the 'isclosed' field to 'true' for every line.

4. Saving the updated sales order record.Example SuiteScript (SuiteScript 2.x recommended for current NetSuite versions) for closing all lines on a sales order:

javascript/** * @NApiVersion 2.x * @NModuleScope SameAccount */define(['N/record', 'N/log'], function(record, log) {    function closeSalesOrderLines(salesOrderId) {        try {            var salesOrder = record.load({                type: record.Type.SALES_ORDER,                id: salesOrderId,                isDynamic: false            });            var lineCount = salesOrder.getLineCount({                sublistId: 'item'            });            for (var i = 0; i < lineCount; i++) {                salesOrder.setSublistValue({                    sublistId: 'item',                    fieldId: 'isclosed',                    line: i,                    value: true                });            }            var updatedRecordId = salesOrder.save();            log.debug('Sales Order Closed', 'Sales Order ' + updatedRecordId + ' has been closed by setting all lines to isclosed: true.');            return updatedRecordId;        } catch (e) {            log.error('Error Closing Sales Order', 'Could not close sales order ' + salesOrderId + ': ' + e.message);            return null;        }    }    return {        closeSalesOrderLines: closeSalesOrderLines    };});

It is important to note that directly calling undocumented functions like 'cancel_approve_order()' or manipulating URLs such as 'salesordermanager.nl' with 'optype=cancel' are unsupported methods. These approaches are not recommended as they may lead to unpredictable behavior or cease to function with future NetSuite updates. The 'Canceled' status is generally reserved for sales orders that are still in a 'Pending Approval' state, where a formal cancellation process might be available.