Get the spreadsheet key that is in the URL. Not ss.getId()

Question

How to get the spreadsheet ID that is in the URL. I know about using SpreadsheetApp.getActiveSpreadsheet().getId() and SpreadsheetApp.getActiveSpreadsheet().getUrl()

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Answer 1

You don't show the code that is not working for you, but the following works ok for me

function myFunction() {
// create a new spreadsheet workbook
var ss = SpreadsheetApp.create("Test");
var id = ss.getId();
Logger.log(id)
// get the ss file through Drive using spreadsheet id
var file = DriveApp.getFileById(id);
var driveid = file.getId();
Logger.log(driveid)
// open the spreadsheet using id of file
var ssfromdrive = SpreadsheetApp.openById(driveid);
Logger.log(ssfromdrive.getName())
 }