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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2024-10-23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 flight class using the provided class ID."],["The request body should contain an `AddMessageRequest` object and uses the `POST` method."],["If successful, the response returns the updated `FlightClass` object."],["Requires `wallet_object.issuer` authorization scope for access."],["Utilizes gRPC Transcoding for the HTTP request URL structure."]]],[]]