Mass Update of item price level value through Script

Here is setting the “Base Price level” value as zero in the inventory item record.

Note : The line number may varies according to the price level list order.

/**
 /**
 * @NApiVersion 2.1
 * @NScriptType MassUpdateScript
 */
define(['N/record', 'N/search'],
    /**
     * @param{record} record
     * @param{search} search
     */
    (record, search) => {
        /**
         * Defines the Mass Update trigger point.
         * @param {Object} params
         * @param {string} params.type - Record type of the record being processed
         * @param {number} params.id - ID of the record being processed
         * @since 2016.1
         */
        const each = (params) => {

            var objRecord = record.load({
                type: record.Type.INVENTORY_ITEM,
                id: params.id,
                isDynamic: true,
            });

                objRecord.selectLine({   //selects the base price level
                    sublistId: 'price',
                    line: 0
                });
               
                    objRecord.setCurrentSublistValue({
                        sublistId: 'price',
                        fieldId: 'price_1_',
                        value: 0
                    });

                objRecord.commitLine({
                    sublistId: 'price'
                });

            objRecord.save();

        }
        return {each}

    });