I am trying to Create Unique Ticket no. after each Form submission but getting following error.
TypeError: Cannot read property "range" from undefined. (line 3, file "Code")
Here is the Complete Script.
function myFunction() {
// Generates a unique ticket number for every form submission.
function onFormSubmit(e) {
var targetCell = e.range.offset(0, e.range.getNumColumns(), 1, 1);
// Get a public lock on this script, because we're about to modify a shared resource.
var lock = LockService.getPublicLock();
// Wait for up to 30 seconds for other processes to finish.
lock.waitLock(30000);
var ticketNumber = Number(ScriptProperties.getProperty('lastTicketNumber')) + 1;
ScriptProperties.setProperty('lastTicketNumber', ticketNumber);
// Release the lock so that other processes can continue.
lock.releaseLock();
targetCell.setValue(ticketNumber);
}
}