Interface ImageItem

A layout item that displays an image. Items can be accessed or created from a Form.

// Open a form by ID and add a new image item
var form = FormApp.openById('1234567890abcdefghijklmnopqrstuvwxyz');
var img = UrlFetchApp.fetch('https://www.google.com/images/srpr/logo4w.png');
form.addImageItem()
    .setTitle('Google')
    .setHelpText('Google Logo') // The help text is the image description
    .setImage(img);