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."],[[["The `Promotion` class, found within the `Google.Cloud.Retail.V2` namespace, provides information about a specific promotion in the Google Cloud Retail API."],["The latest version of the `Google.Cloud.Retail.V2.Promotion` is 2.12.0, with historical versions dating back to 1.0.0 available in the provided content."],["The `Promotion` class inherits from `Object` and implements multiple interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`."],["The class includes a `PromotionId` property, which is a string representing the unique identifier of a promotion and must be UTF-8 encoded."],["The `Promotion` class has two constructors: a default one (`Promotion()`) and one that takes another `Promotion` object as a parameter (`Promotion(Promotion other)`) to allow it to copy values."]]],[]]
