Die eindeutige Kennung einer Klasse. Diese ID muss für alle Klassen eines Ausstellers eindeutig sein. Dieser Wert muss das Format issuer ID haben.identifier, wobei Ersteres von Google ausgestellt und Letzteres von Ihnen ausgewählt wird. Die eindeutige Kennung darf nur alphanumerische Zeichen sowie „.“, „_“ oder „-“ enthalten.
[[["Leicht verständlich","easyToUnderstand","thumb-up"],["Mein Problem wurde gelöst","solvedMyProblem","thumb-up"],["Sonstiges","otherUp","thumb-up"]],[["Benötigte Informationen nicht gefunden","missingTheInformationINeed","thumb-down"],["Zu umständlich/zu viele Schritte","tooComplicatedTooManySteps","thumb-down"],["Nicht mehr aktuell","outOfDate","thumb-down"],["Problem mit der Übersetzung","translationIssue","thumb-down"],["Problem mit Beispielen/Code","samplesCodeIssue","thumb-down"],["Sonstiges","otherDown","thumb-down"]],["Zuletzt aktualisiert: 2025-07-25 (UTC)."],[[["\u003cp\u003eAdds a message to an existing loyalty class identified by its unique ID.\u003c/p\u003e\n"],["\u003cp\u003eThe request requires an \u003ccode\u003eAddMessageRequest\u003c/code\u003e object in the body and uses the \u003ccode\u003ePOST\u003c/code\u003e method.\u003c/p\u003e\n"],["\u003cp\u003eA successful response returns the updated \u003ccode\u003eLoyaltyClass\u003c/code\u003e object.\u003c/p\u003e\n"],["\u003cp\u003eAuthorization requires the \u003ccode\u003ehttps://www.googleapis.com/auth/wallet_object.issuer\u003c/code\u003e scope.\u003c/p\u003e\n"]]],["A message is added to a loyalty class using a POST request to a specific URL: `https://walletobjects.googleapis.com/walletobjects/v1/loyaltyClass/{resourceId}/addMessage`. The `resourceId` path parameter uniquely identifies the class. The request body requires an `AddMessageRequest` instance. A successful request returns a JSON object containing the updated `LoyaltyClass` resource. This action requires the `https://www.googleapis.com/auth/wallet_object.issuer` OAuth scope for authorization.\n"],null,["# Method: loyaltyclass.addmessage\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n - [JSON representation](#body.LoyaltyClassAddMessageResponse.SCHEMA_REPRESENTATION)\n- [Authorization scopes](#body.aspect)\n\nAdds a message to the loyalty class referenced by the given class ID.\n\n### HTTP request\n\n`POST https://walletobjects.googleapis.com/walletobjects/v1/loyaltyClass/{resourceId}/addMessage`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n| Parameters ||\n|--------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `resourceId` | `string` The unique identifier for a class. This ID must be unique across all classes from an issuer. This value should follow the format \u003cvar translate=\"no\"\u003eissuer ID\u003c/var\u003e.\u003cvar translate=\"no\"\u003eidentifier\u003c/var\u003e where the former is issued by Google and latter is chosen by you. Your unique identifier should only include alphanumeric characters, '.', '_', or '-'. |\n\n### Request body\n\nThe request body contains an instance of [AddMessageRequest](/wallet/reference/rest/v1/AddMessageRequest).\n\n### Response body\n\nIf successful, the response body contains data with the following structure:\n\n| JSON representation |\n|------------------------------------------------------------------------------------------|\n| ``` { \"resource\": { object (/wallet/reference/rest/v1/loyaltyclass#LoyaltyClass) } } ``` |\n\n| Fields ||\n|------------|---------------------------------------------------------------------------------------------------------------------|\n| `resource` | `object (`[LoyaltyClass](/wallet/reference/rest/v1/loyaltyclass#LoyaltyClass)`)` The updated LoyaltyClass resource. |\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/wallet_object.issuer`"]]
