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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-03-13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 outlines the process for adding a message to a generic class using a `POST` HTTP request to a specific URL. The request requires a unique `resourceId` in the path, formatted as `issuer ID.identifier`. The request body must include an `AddMessageRequest` instance. Successful requests return an updated `GenericClass` in JSON format, contained within a `resource` field. The process necessitates authorization via the `https://www.googleapis.com/auth/wallet_object.issuer` OAuth scope.\n"]]