The script is for store the available quantity at custom line fields when adding item into item sublist.

/**  * @NApiVersion 2.1  * @NScriptType ClientScript  * @NModuleScope SameAccount  */  define([‘N/search’],  /**   * @param{currentRecord} currentRecord   * @param{record} record   */  function(search) {      /**       * Function to be executed after page is initialized.       * @param {Object} scriptContext       * @param {Record} scriptContext.currentRecord -… Continue reading The script is for store the available quantity at custom line fields when adding item into item sublist.