ProductItem

Field	Type	Required	Description
id	Integer	true	Unique identifier for the ProductItem.
product	Product	true	Related Product.
item	Item	true	Related Item.
basePrice	BigDecimal	false	Base price of the Item in that Product.

{
  "id": 1,
  "createdDate": "2018-10-29T12:13:18.840Z",
  "createdUser": 0,
  "item": null,
  "basePrice": 2
}