productID
The product identifier, such as ISBN. For example: ``` meta itemprop="productID" content="isbn:123-456-789" ```.
productID
The product identifier, such as ISBN. For example: ``` meta itemprop="productID" content="isbn:123-456-789" ```.
type
comment
The product identifier, such a ...... ontent="isbn:123-456-789" ```.