ReadonlyasinThe Amazon Standard Identification Number (ASIN) is the unique identifier of a product within a marketplace. This API takes child ASIN as an input.
ReadonlymarketplaceThe MarketplaceId is the globally unique identifier of a marketplace, you can refer to the marketplaceId here : https://developer-docs.amazon.com/sp-api/docs/marketplace-ids.
Request parameters for getItemReviewTrends operation in CustomerFeedbackApi.