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"]],[["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 2025-04-17 UTC."],[[["This page provides documentation for the `Promotion` class within the Google Cloud Retail v2 API, specifically within version 2.8.0 of the .NET library."],["The `Promotion` class implements multiple interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`, indicating its role in handling promotion information."],["The class has two constructors, a default constructor and one that accepts another `Promotion` instance, allowing for creation of new or cloned promotion objects."],["The `Promotion` class contains a `PromotionId` property, which is a string used to identify a promotion, following specific formatting rules, and corresponding to the Google Merchant Center promotion property."],["A historical list of older versions of this Class is also available for browsing, ranging from 1.0.0 to 2.12.0."]]],[]]