Code for loading the existing workbook:
var workbookResult = workbook.load({
id: 'custworkbook_jj_sl_sales_ordered'
});
log.debug("workbookResult", workbookResult)

Code for loading the existing workbook:
var workbookResult = workbook.load({
id: 'custworkbook_jj_sl_sales_ordered'
});
log.debug("workbookResult", workbookResult)
