Code-07.gs

// SAVE DATA TO GOOGLE SHEETS

function saveToSheet(txnData){
  // Replace url with your own url link.
  var expenseSpreadsheet = SpreadsheetApp.openByUrl("https://docs.google.com/spreadsheets/d/1VZBkiqoTmcnWcxvNCEgHwMLhy_sBof4Cbd0gmKvkxOk/edit#gid=0");

  var dataSheet = expenseSpreadsheet.getSheetByName("Data");
  Logger.log('Populating spreadsheet...');

  for (var txn = 0; txn < txnData.length; txn++) {

    dataSheet.appendRow([
      txnData[txn].txnDate,
      txnData[txn].txnAmount,
      txnData[txn].txnDesc,
      txnData[txn].txnType,
      txnData[txn].balance,
      txnData[txn].txnAccount
      ]
    );
  }
}

function processTxnEmails() {
  var messages = getBankEmails();
  var txnData = parseMessageBody(messages);
  saveToSheet(txnData);
}