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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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, found within the \u003ccode\u003eGoogle.Cloud.Retail.V2\u003c/code\u003e namespace, provides information about a specific promotion in the Google Cloud Retail API.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the \u003ccode\u003eGoogle.Cloud.Retail.V2.Promotion\u003c/code\u003e is 2.12.0, with historical versions dating back to 1.0.0 available in the provided content.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePromotion\u003c/code\u003e class inherits from \u003ccode\u003eObject\u003c/code\u003e and implements multiple interfaces, including \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e.\u003c/p\u003e\n"],["\u003cp\u003eThe class includes a \u003ccode\u003ePromotionId\u003c/code\u003e property, which is a string representing the unique identifier of a promotion and must be UTF-8 encoded.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePromotion\u003c/code\u003e class has two constructors: a default one (\u003ccode\u003ePromotion()\u003c/code\u003e) and one that takes another \u003ccode\u003ePromotion\u003c/code\u003e object as a parameter (\u003ccode\u003ePromotion(Promotion other)\u003c/code\u003e) to allow it to copy values.\u003c/p\u003e\n"]]],[],null,[]]
