This is root element of this document which contains name space definitions for the document elements. It's a referenced element. For detailed description, please refer referenced element doc. It's a referenced element. For detailed description, please refer referenced element doc. Description is not available. Unique identifier for the item. Name of the image. Provide an extension hook to customize ItemImageRef. Provide an extension hook to localize ItemImageRef. This type can hold a string of max length of 25 characters. This type can hold a string of max length of 120 characters.