Identifier of the Announcement, CourseWork, or CourseWorkMaterial whose attachments should be enumerated. This field is required, but is not marked as such while we are migrating from postId.
Query parameters
Parameters
postId (deprecated)
string
Optional. Identifier of the post under the course whose attachments to enumerate. Deprecated, use itemId instead.
pageSize
integer
The maximum number of attachments to return. The service may return fewer than this value. If unspecified, at most 20 attachments will be returned. The maximum value is 20; values above 20 will be coerced to 20.
pageToken
string
A page token, received from a previous addOnAttachments.list call. Provide this to retrieve the subsequent page.
When paginating, all other parameters provided to addOnAttachments.list must match the call that provided the page token.
[[["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complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2025-04-17 UTC."],[],[],null,["- [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\nReturns all attachments created by an add-on under the post.\n\nRequires the add-on to have active attachments on the post or 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\nHTTP request\n\n`GET https://classroom.googleapis.com/v1/courses/{courseId}/announcements/{itemId}/addOnAttachments`\n\nThe URL uses [gRPC Transcoding](https://google.aip.dev/127) syntax.\n\nPath parameters\n\n| Parameters ||\n|------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `courseId` | `string` Required. Identifier of the course. |\n| `itemId` | `string` Identifier of the `Announcement`, `CourseWork`, or `CourseWorkMaterial` whose attachments should be enumerated. This field is required, but is not marked as such while we are migrating from postId. |\n\nQuery parameters\n\n| Parameters ||\n|---------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|\n| `postId` **(deprecated)** | `string` Optional. Identifier of the post under the course whose attachments to enumerate. Deprecated, use `itemId` instead. |\n| `pageSize` | `integer` The maximum number of attachments to return. The service may return fewer than this value. If unspecified, at most 20 attachments will be returned. The maximum value is 20; values above 20 will be coerced to 20. |\n| `pageToken` | `string` A page token, received from a previous `addOnAttachments.list` call. Provide this to retrieve the subsequent page. When paginating, all other parameters provided to `addOnAttachments.list` must match the call that provided the page token. |\n\nRequest body\n\nThe request body must be empty.\n\nResponse body\n\nIf successful, the response body contains an instance of [ListAddOnAttachmentsResponse](/workspace/classroom/reference/rest/v1/ListAddOnAttachmentsResponse).\n\nAuthorization scopes\n\nRequires one of the following OAuth scopes:\n\n- `https://www.googleapis.com/auth/classroom.addons.student`\n- `\n https://www.googleapis.com/auth/classroom.addons.teacher`\n\nFor more information, see the [Authorization guide](/workspace/guides/configure-oauth-consent)."]]