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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-08-07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 in the Retail v2 API provides information about a specific promotion and is accessible within the \u003ccode\u003eGoogle.Cloud.Retail.V2\u003c/code\u003e namespace.\u003c/p\u003e\n"],["\u003cp\u003eThe latest version of the API documentation for this class is \u003ccode\u003e2.12.0\u003c/code\u003e, with previous versions available down to \u003ccode\u003e1.0.0\u003c/code\u003e, accessible via links.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePromotion\u003c/code\u003e class inherits from \u003ccode\u003eobject\u003c/code\u003e and implements \u003ccode\u003eIMessage\u003c/code\u003e, \u003ccode\u003eIEquatable\u003c/code\u003e, \u003ccode\u003eIDeepCloneable\u003c/code\u003e, and \u003ccode\u003eIBufferMessage\u003c/code\u003e interfaces, providing various methods and capabilities.\u003c/p\u003e\n"],["\u003cp\u003eThe \u003ccode\u003ePromotion\u003c/code\u003e class includes a \u003ccode\u003ePromotionId\u003c/code\u003e property, which is a string used to identify the promotion, and it has specific constraints such as UTF-8 encoding and a length limit of 128 characters, while also being related to Google Merchant Center's promotion property.\u003c/p\u003e\n"],["\u003cp\u003eThe documentation lists two constructors for the \u003ccode\u003ePromotion\u003c/code\u003e class: one default constructor \u003ccode\u003ePromotion()\u003c/code\u003e and one that takes a \u003ccode\u003ePromotion\u003c/code\u003e object as parameter \u003ccode\u003ePromotion(Promotion other)\u003c/code\u003e.\u003c/p\u003e\n"]]],[],null,[]]
