The value must be a UTF-8 encoded string with a length limit of 128
characters, and match the pattern: [a-zA-Z][a-zA-Z0-9_]*. For example,
id0LikeThis or ID_1_LIKE_THIS. Otherwise, an INVALID_ARGUMENT error is
returned.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 \u003ccode\u003ePromotion\u003c/code\u003e class, part of the \u003ccode\u003eGoogle.Cloud.Retail.V2\u003c/code\u003e namespace, represents promotion information within the Google Cloud Retail API.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version available for the \u003ccode\u003ePromotion\u003c/code\u003e class is 2.12.0, with previous versions ranging from 1.0.0 to 2.11.0 also available.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePromotion\u003c/code\u003e class implements several interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable<Promotion>\u003c/code\u003e, \u003ccode\u003eIDeepCloneable<Promotion>\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eIt includes a constructor \u003ccode\u003ePromotion()\u003c/code\u003e and \u003ccode\u003ePromotion(Promotion other)\u003c/code\u003e, and has a \u003ccode\u003ePromotionId\u003c/code\u003e property which is a string used as an identifier.\u003c/p\u003e\n"],["\u003cp\u003eThe class inherits members from the base \u003ccode\u003eObject\u003c/code\u003e class, like \u003ccode\u003eGetHashCode()\u003c/code\u003e, \u003ccode\u003eGetType()\u003c/code\u003e, \u003ccode\u003eMemberwiseClone()\u003c/code\u003e, and \u003ccode\u003eToString()\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
