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 2025-03-21 UTC."],[[["This webpage provides documentation for the `Promotion` class within the Google Cloud Retail V2 API, specifically focusing on version 2.7.0."],["The `Promotion` class is used to represent promotion information and it implements several interfaces, including `IMessage`, `IEquatable`, `IDeepCloneable`, and `IBufferMessage`."],["The documentation outlines the inheritance of `Promotion` from `object` and lists the implemented interfaces."],["It details the available constructors for the `Promotion` class, including a default constructor and a copy constructor."],["The webpage also contains `PromotionId` as a key property, explaining its purpose, formatting requirements, and its relation to Google Merchant Center's \"promotion\" property."]]],[]]