Only [Product.id][google.cloud.retail.v2.Product.id] field is used when
ingesting an event, all other product fields are ignored as we will look
them up from the catalog.
Quantity of the product associated with the user event.
For example, this field will be 2 if two products are added to the shopping
cart for purchase-complete event. Required for add-to-cart and
purchase-complete event types.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Hard to understand","hardToUnderstand","thumb-down"],["Incorrect information or sample code","incorrectInformationOrSampleCode","thumb-down"],["Missing the information/samples I need","missingTheInformationSamplesINeed","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-21 UTC."],[[["This document outlines the `ProductDetail` class, which provides detailed product information associated with user events within the Google Cloud Retail V2 API."],["The latest version of the `ProductDetail` class is 2.12.0, with a history of versions ranging from 1.0.0 to the most recent."],["The `ProductDetail` class implements multiple interfaces including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage` for various functionalities."],["The `ProductDetail` class contains properties such as `Product`, which holds the core product information, and `Quantity`, which denotes the number of products involved in a user event."],["`ProductDetail` class contains two constructors, one default and another that takes in another instance of `ProductDetail`."]]],[]]