The model of the product. Use with the URL of a ProductModel or a textual representation of the model identifier. The URL of the ProductModel can be from an external source. It is recommended to additionally provide strong product identifiers via the gtin8/gtin13/gtin14 and mpn properties.
Usage: Between 50,000 and 100,000 domains
|Values expected to be one of these types|
|Used on these types|
Schema Version 3.1