Google form + pdf + sendMail

code.gs

function formSubmit(e) {
    let info = e.namedValues
    let pdfFile = createPDF(info)
    let entryRow = e.range.getRow()
    let ws = SpreadsheetApp.getActive().getSheets()[0]
    let userMail = ws.getRange(entryRow, 2).getValue()
        ws.getRange(entryRow, 6).setValue(pdfFile.getUrl())
        sendEmail(userMail, pdfFile)
}
function sendEmail(email, pdfFile){
  GmailApp.sendEmail(email, "xxx","xxx", {
    attachments: [pdfFile],
    name: 'xxx'
  });
}

function createPDF(info){
  var date = Utilities.formatDate(new Date(), "GMT+7", "dd/MM/yyyy");
 let pdfFolder = DriveApp.getFolderById("xxx")
 let tempFolder = DriveApp.getFolderById ("xxx")
 let templateDoc = DriveApp.getFileById("xxx")
 let newDoc = templateDoc.makeCopy(tempFolder)
 let openDoc = DocumentApp.openById(newDoc.getId())
 
 openDoc.getBody().replaceText("{xxx}", info['xxx'][0])
 openDoc.getBody().replaceText("{xxx}", info['xxx'][0])
 openDoc.getBody().replaceText("{xxx}", info['xxx'][0])
 openDoc.saveAndClose()

let blobPDF = newDoc.getAs(MimeType.PDF);
let pdfFile = pdfFolder.createFile(blobPDF).setName(info['xxx'][0] + " " + info['xxx'][0] + "-" +date)
tempFolder.removeFile(newDoc)
return pdfFile
}