public RepeatedField<int> RatingHistogram { get; }
List of rating counts per rating value (index = rating - 1). The list is
empty if there is no rating. If the list is non-empty, its size is
always 5. Otherwise, an INVALID_ARGUMENT error is returned.
For example, [41, 14, 13, 47, 303]. It means that the
[Product][google.cloud.retail.v2.Product] got 41 ratings with 1 star, 14
ratings with 2 star, and so on.
[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07 UTC."],[[["\u003cp\u003eThe latest version available for the Google.Cloud.Retail.V2.Rating is 2.12.0, with a range of versions from 1.0.0 up to the latest one available.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRating\u003c/code\u003e class, which is part of the Google.Cloud.Retail.V2 namespace and found in the Google.Cloud.Retail.V2.dll assembly, provides functionalities for managing product ratings.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003eRating\u003c/code\u003e class includes properties for \u003ccode\u003eAverageRating\u003c/code\u003e, \u003ccode\u003eRatingCount\u003c/code\u003e, and \u003ccode\u003eRatingHistogram\u003c/code\u003e, enabling detailed analysis of a product's ratings.\u003c/p\u003e\n"],["\u003cp\u003eThe class implements multiple interfaces, including \u003ccode\u003eIMessage<Rating>\u003c/code\u003e, \u003ccode\u003eIEquatable<Rating>\u003c/code\u003e, \u003ccode\u003eIDeepCloneable<Rating>\u003c/code\u003e, \u003ccode\u003eIBufferMessage\u003c/code\u003e, and \u003ccode\u003eIMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe rating scale used is from 1 to 5, and provides details such as the total number of ratings and a breakdown of the number of ratings per star.\u003c/p\u003e\n"]]],[],null,[]]