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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-23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."],[[["Adds a message to an existing offer class using a POST request to a specified endpoint."],["Requires a unique offer class ID in the request URL and an `AddMessageRequest` object in the request body."],["If successful, the response provides the updated `OfferClass` object, including the new message."],["This action needs authorization with the `https://www.googleapis.com/auth/wallet_object.issuer` scope."]]],[]]