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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-23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 new message to an existing generic class identified by a unique class ID."],["The request requires providing an `AddMessageRequest` in the body and uses the `POST` method."],["The response provides the updated `GenericClass` object, including the new message."],["Utilizes the `https://www.googleapis.com/auth/wallet_object.issuer` authorization scope."],["The class ID follows a specific format, \u003cvar translate=\"no\"\u003eissuer ID\u003c/var\u003e.\u003cvar translate=\"no\"\u003eidentifier\u003c/var\u003e, with constraints on the characters allowed in the identifier."]]],[]]