Param Name	Required	Type	Notes
`product_id`	Yes	String	A unique identifier of the product (e.g. a SKU)
`name`	No	String	The name of the product
`category`	No	Array(String)	An array of categories the product belongs to
`price`	No	Integer	The price of a product in cents
`image_url`	No	String	The URL of an image or thumbnail of the product
`product_url`	No	String	The URL of the product page on your site
`stock`	No	Integer	The current stock value of the product
`expiration_date`	No	Date String	A string representing the date on which the product expires

🚧
Important Note
The expiration_date field is stored as a proper datetime and is simply used for audience segmenting and display purposes.

📘
Any additional params will be treated as strings and added to the metadata field of the product.