Updates an add-on attachment.
Requires the add-on to have been the original creator of the attachment.
This method returns the following error codes:
- PERMISSION_DENIEDfor access errors.
- INVALID_ARGUMENTif the request is malformed.
- NOT_FOUNDif one of the identified resources does not exist.
HTTP request
PATCH https://classroom.googleapis.com/v1/courses/{courseId}/announcements/{itemId}/addOnAttachments/{attachmentId}
The URL uses gRPC Transcoding syntax.
Path parameters
| Parameters | |
|---|---|
| courseId | 
 Required. Identifier of the course. | 
| itemId | 
 Identifier of the post under which the attachment is attached. | 
| attachmentId | 
 Required. Identifier of the attachment. | 
Query parameters
| Parameters | |
|---|---|
| postId | 
 Required. Identifier of the post under which the attachment is attached. | 
| updateMask | 
 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  The following fields may be specified by teachers: 
 This is a comma-separated list of fully qualified names of fields. Example:  | 
Request body
The request body contains an instance of AddOnAttachment.
Response body
If successful, the response body contains an instance of AddOnAttachment.
Authorization scopes
Requires the following OAuth scope:
- https://www.googleapis.com/auth/classroom.addons.teacher
For more information, see the Authorization guide.