Identificatore di Announcement, CourseWork o CourseWorkMaterial in cui creare l'allegato. Questo campo è obbligatorio, ma non è contrassegnato come tale durante la migrazione da postId.
addOnToken
string
Facoltativo. Token che autorizza la richiesta.
Il token viene passato come parametro di query quando l'utente viene reindirizzato da Classroom all'URL del componente aggiuntivo.
Questo token di autorizzazione è obbligatorio per la creazione di allegati in Classroom, ma facoltativo per la creazione di allegati di proprietà del partner. Restituisce un errore se non viene fornito per la creazione di un allegato del partner e i progetti dello sviluppatore che hanno creato l'allegato e l'elemento stream principale non corrispondono.
Corpo della richiesta
Il corpo della richiesta contiene un'istanza di AddOnAttachment.
Corpo della risposta
In caso di esito positivo, il corpo della risposta contiene un'istanza di AddOnAttachment appena creata.
[null,null,["Ultimo aggiornamento 2025-07-25 UTC."],[],[],null,["# Method: courses.posts.addOnAttachments.create\n\n| This method is deprecated; use the `course.announcements.addOnAttachments`, `course.courseWork.addOnAttachments` or `course.courseWorkMaterials.addOnAttachments` method instead.\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Query parameters](#body.QUERY_PARAMETERS)\n- [Request body](#body.request_body)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n\nCreates an add-on attachment under a post.\n\nRequires the add-on to have permission to create new attachments on the post.\n\nThis method returns the following error codes:\n\n- `PERMISSION_DENIED` for [access errors](/workspace/classroom/reference/Access.Errors).\n- `INVALID_ARGUMENT` if the request is malformed.\n- `NOT_FOUND` if one of the identified resources does not exist.\n\n### HTTP request\n\n`POST https://classroom.googleapis.com/v1/courses/{courseId}/posts/{postId}/addOnAttachments`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n| Parameters ||\n|---------------------------|------------------------------------------------------|\n| `courseId` | `string` Required. Identifier of the course. |\n| `postId` **(deprecated)** | `string` Optional. Deprecated, use `itemId` instead. |\n\n### Query parameters\n\n| Parameters ||\n|--------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `itemId` | `string` Identifier of the `Announcement`, `CourseWork`, or `CourseWorkMaterial` under which to create the attachment. This field is required, but is not marked as such while we are migrating from postId. |\n| `addOnToken` | `string` Optional. Token that authorizes the request. The token is passed as a query parameter when the user is redirected from Classroom to the add-on's URL. This authorization token is required for in-Classroom attachment creation but optional for partner-first attachment creation. Returns an error if not provided for partner-first attachment creation and the developer projects that created the attachment and its parent stream item do not match. |\n\n### Request body\n\nThe request body contains an instance of [AddOnAttachment](/workspace/classroom/reference/rest/v1/courses.announcements.addOnAttachments#AddOnAttachment).\n\n### Response body\n\nIf successful, the response body contains a newly created instance of [AddOnAttachment](/workspace/classroom/reference/rest/v1/courses.announcements.addOnAttachments#AddOnAttachment).\n\n### Authorization scopes\n\nRequires the following OAuth scope:\n\n- `https://www.googleapis.com/auth/classroom.addons.teacher`\n\nFor more information, see the [Authorization guide](/workspace/guides/configure-oauth-consent)."]]