The unique identifier for a class. This ID must be unique across all classes from an issuer. This value should follow the format issuer ID.identifier where the former is issued by Google and latter is chosen by you. Your unique identifier should only include alphanumeric characters, '.', '_', or '-'.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-23 UTC."],[[["This document details the process for adding a message to a specific gift card class using the Google Wallet API."],["The request is sent as a POST request to the specified URL with the gift card class ID as a path parameter."],["The request body should contain an `AddMessageRequest` object as defined in the API reference."],["Upon successful execution, the API returns the updated `GiftCardClass` object in the response body."],["This operation requires the `https://www.googleapis.com/auth/wallet_object.issuer` OAuth scope for authorization."]]],[]]