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 in the Google Cloud Retail V2 API provides a way to define and manage promotion information within the context of retail applications."],["This documentation provides reference materials for the `Promotion` class across multiple versions, ranging from version 1.0.0 to the latest version 2.12.0, allowing users to view the changes and features of each."],["The `Promotion` class implements several interfaces such as `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`, signifying its integration within the Protocol Buffers framework."],["The `Promotion` class has two constructors, one default and another that accepts another `Promotion` instance as a parameter, to offer multiple ways to instantiate and copy a promotion object."],["The `Promotion` class includes a `PromotionId` property, a string that must be a maximum of 128 UTF-8 characters and follow the given pattern, which is used as the identifier for each promotion."]]],[]]
