function assignEditUrls() {
var form = FormApp.openById("1vP-EHqBIR0PckUD-PVzv-g3q9LPrJokNzwAxT3Z8UUU");
var sheet = SpreadsheetApp.getActiveSpreadsheet().getSheetByName("Formulierreacties 1");
var data = sheet.getDataRange().getValues();
var urlCol = 144;
var reacties = form.getResponses();
var timestamps = []; UrLs = []; resultUrls = [];
for (var i = 0; i < reacties.lengte; i++) {
timestamps.push(antwoorden)[i].getTimestamp().setMilliseconds(0);
urls.push(antwoorden)[i].getEditResponseUrl();
}
for (var j = 1; j < data.length; j++) {
resultUrls.push([data[j][0] ?urls[timestamps.indexOf(data[j][0].setMilliseconden(0))]:""]);
}
sheet.getRange(2, urlCol, resultUrls.length).setValues(resultUrls);
}