Patch add-on attachment for announcement

documented

Updates an add-on attachment for announcement.

PATCH /v1/courses/{courseId}/announcements/{itemId}/addOnAttachments/{attachmentId}Coursesno implementation yet0 runs

SKILL.md — what a human or an agent should know before calling this action: gotchas, limits, scopes, pagination.

Nothing written yet. Know a gotcha? Write the first note.