A question item that allows the respondent to indicate a length of time. Items can be accessed or
created from a Form. When used in a quiz, these items are graded.
// Open a form by ID and add a new duration item.
var form = FormApp.openById('1234567890abcdefghijklmnopqrstuvwxyz');
var item = form.addDurationItem();
item.setTitle('How long can you hold your breath?');
A question item that allows the respondent to indicate a length of time. Items can be accessed or created from a Form. When used in a quiz, these items are graded.