Class QuizFeedback

The bean implementation of a Feedback, which contains properties common to all feedback, such as display text or links.

Feedback can be added to gradeable Form items.

// Setting feedback which should be automatically shown when a user responds to
// a question incorrectly.
const form = FormApp.create('My Form');
const textItem = form.addTextItem().setTitle(
    'Re-hydrating dried fruit is an example of what?');
const feedback =
    FormApp.createFeedback()
        .setDisplayText(
            'Good answer, but not quite right.  Please review chapter 4 before next time.',
            )
        .addLink('http://wikipedia.com/osmosis');
textItem.setFeedbackForIncorrect(feedback);