Google Apps Script API
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    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);
    
    interface ImageItem {
        duplicate(): ImageItem;
        getAlignment(): Alignment;
        getHelpText(): string;
        getId(): number;
        getImage(): Blob;
        getIndex(): number;
        getTitle(): string;
        getType(): ItemType;
        getWidth(): number;
        setAlignment(alignment: Alignment): ImageItem;
        setHelpText(text: string): ImageItem;
        setImage(image: BlobSource): ImageItem;
        setTitle(title: string): ImageItem;
        setWidth(width: number): ImageItem;
    }
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    Methods