پیوست‌ها را می‌توان فقط به ارسال‌های دانشجویی که متعلق به اشیاء کار درسی با workTypeASSIGNMENT هستند اضافه کرد.
این درخواست باید توسط پروژه Developer Console از شناسه مشتری OAuth که برای ایجاد مورد کار دوره مربوطه استفاده می‌شود، انجام شود.
این روش کدهای خطای زیر را برمی گرداند:
PERMISSION_DENIED اگر کاربر درخواست‌کننده اجازه دسترسی به دوره یا کار دوره درخواستی را نداشته باشد، اگر کاربر اجازه نداشته باشد پیوست‌های ارسالی دانشجوی درخواستی را تغییر دهد، یا برای خطاهای دسترسی .
اگر درخواست نادرست باشد INVALID_ARGUMENT .
NOT_FOUND اگر دوره درخواستی، کار دوره، یا ارسال دانشجو وجود نداشته باشد.
درخواست HTTP
POST https://classroom.googleapis.com/v1/courses/{courseId}/courseWork/{courseWorkId}/studentSubmissions/{id}:modifyAttachments
تاریخ آخرین بهروزرسانی 2025-07-25 بهوقت ساعت هماهنگ جهانی.
[[["درک آسان","easyToUnderstand","thumb-up"],["مشکلم را برطرف کرد","solvedMyProblem","thumb-up"],["غیره","otherUp","thumb-up"]],[["اطلاعاتی که نیاز دارم وجود ندارد","missingTheInformationINeed","thumb-down"],["بیشازحد پیچیده/ مراحل بسیار زیاد","tooComplicatedTooManySteps","thumb-down"],["قدیمی","outOfDate","thumb-down"],["مشکل ترجمه","translationIssue","thumb-down"],["مشکل کد / نمونهها","samplesCodeIssue","thumb-down"],["غیره","otherDown","thumb-down"]],["تاریخ آخرین بهروزرسانی 2025-07-25 بهوقت ساعت هماهنگ جهانی."],[],[],null,["# Method: courses.courseWork.studentSubmissions.modifyAttachments\n\n- [HTTP request](#body.HTTP_TEMPLATE)\n- [Path parameters](#body.PATH_PARAMETERS)\n- [Request body](#body.request_body)\n - [JSON representation](#body.request_body.SCHEMA_REPRESENTATION)\n- [Response body](#body.response_body)\n- [Authorization scopes](#body.aspect)\n- [Try it!](#try-it)\n\nModifies attachments of student submission.\n\nAttachments may only be added to student submissions belonging to course work objects with a `workType` of `ASSIGNMENT`.\n\nThis request must be made by the Developer Console project of the [OAuth client ID](https://support.google.com/cloud/answer/6158849) used to create the corresponding course work item.\n\nThis method returns the following error codes:\n\n- `PERMISSION_DENIED` if the requesting user is not permitted to access the requested course or course work, if the user is not permitted to modify attachments on the requested student submission, or for [access errors](/workspace/classroom/reference/Access.Errors).\n- `INVALID_ARGUMENT` if the request is malformed.\n- `NOT_FOUND` if the requested course, course work, or student submission does not exist.\n\n### HTTP request\n\n`POST https://classroom.googleapis.com/v1/courses/{courseId}/courseWork/{courseWorkId}/studentSubmissions/{id}:modifyAttachments`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\n### Path parameters\n\n| Parameters ||\n|----------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `courseId` | `string` Identifier of the course. This identifier can be either the Classroom-assigned identifier or an [alias](/workspace/classroom/reference/rest/v1/courses.aliases#CourseAlias). |\n| `courseWorkId` | `string` Identifier of the course work. |\n| `id` | `string` Identifier of the student submission. |\n\n### Request body\n\nThe request body contains data with the following structure:\n\n| JSON representation |\n|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| ``` { \"addAttachments\": [ { object (/workspace/classroom/reference/rest/v1/courses.courseWork.studentSubmissions#Attachment) } ], \"previewVersion\": enum (/workspace/classroom/reference/rest/v1/PreviewVersion) } ``` |\n\n| Fields ||\n|--------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `addAttachments[]` | `object (`[Attachment](/workspace/classroom/reference/rest/v1/courses.courseWork.studentSubmissions#Attachment)`)` Attachments to add. A student submission may not have more than 20 attachments. [Form](/workspace/classroom/reference/rest/v1/Form) attachments are not supported. |\n| `previewVersion` | `enum (`[PreviewVersion](/workspace/classroom/reference/rest/v1/PreviewVersion)`)` Optional. The preview version of the API. This must be set in order to access new API capabilities made available to developers in the Preview Program. |\n\n### Response body\n\nIf successful, the response body contains an instance of [StudentSubmission](/workspace/classroom/reference/rest/v1/courses.courseWork.studentSubmissions#StudentSubmission).\n\n### Authorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/classroom.coursework.students`\n- `\n https://www.googleapis.com/auth/classroom.coursework.me`\n\nFor more information, see the [Authorization guide](/workspace/guides/configure-oauth-consent)."]]
