Erforderlich. Maske, die angibt, welche Felder im Anhang aktualisiert werden sollen. Die Aktualisierung schlägt fehl, wenn ungültige Felder angegeben werden. Wenn ein Feld leere Werte unterstützt, kann es gelöscht werden, indem es in der Aktualisierungsmaske und nicht im AddOnAttachment-Objekt angegeben wird. Wenn ein Feld, das keine leeren Werte unterstützt, in der Aktualisierungsmaske enthalten ist und nicht im AddOnAttachment-Objekt festgelegt ist, wird der Fehler INVALID_ARGUMENT zurückgegeben.
Die folgenden Felder können von Lehrkräften angegeben werden:
title
teacherViewUri
studentViewUri
studentWorkReviewUri
dueDate
dueTime
maxPoints
Dies ist eine durch Kommas getrennte Liste vollständig qualifizierter Feldnamen. Beispiel: "user.displayName,photo".
[null,null,["Zuletzt aktualisiert: 2025-07-25 (UTC)."],[],[],null,["# Method: courses.posts.addOnAttachments.patch\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\nUpdates an add-on attachment.\n\nRequires the add-on to have been the original creator of the attachment.\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`PATCH https://classroom.googleapis.com/v1/courses/{courseId}/posts/{postId}/addOnAttachments/{attachmentId}`\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` | `string` Required. Identifier of the post under which the attachment is attached. |\n| `attachmentId` | `string` Required. Identifier of the attachment. |\n\n### Query parameters\n\n| Parameters ||\n|--------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `itemId` | `string` Identifier of the post under which the attachment is attached. |\n| `updateMask` | `string (`[FieldMask](https://protobuf.dev/reference/protobuf/google.protobuf/#field-mask)` format)` Required. Mask that identifies which fields on the attachment to update. The update fails if invalid fields are specified. If a field supports empty values, it can be cleared by specifying it in the update mask and not in the `AddOnAttachment` object. If a field that does not support empty values is included in the update mask and not set in the `AddOnAttachment` object, an `INVALID_ARGUMENT` error is returned. The following fields may be specified by teachers: - `title` - `teacherViewUri` - `studentViewUri` - `studentWorkReviewUri` - `dueDate` - `dueTime` - `maxPoints` This is a comma-separated list of fully qualified names of fields. Example: `\"user.displayName,photo\"`. |\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 an 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)."]]
