The unique identifier for a class. This ID must be unique across all classes from an issuer. This value should follow the formatissuer ID.identifierwhere 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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-13 UTC."],[],["This document details adding a message to an offer class using a `POST` request to `https://walletobjects.googleapis.com/walletobjects/v1/offerClass/{resourceId}/addMessage`. The `resourceId` path parameter, a unique class identifier, is required. The request body must include an `AddMessageRequest`, while a successful response will contain the updated `OfferClass` resource. The action requires the `https://www.googleapis.com/auth/wallet_object.issuer` authorization scope.\n"]]