updateCourse
write
READ-MODIFY-WRITE: GETs the record, overlays the changes, PUTs the whole record back to `/course-service/course/{courseId}` — the same request Garmin's own web editor sends on Save (observed 2026-09-24). Concurrent callers can clobber each other. Throws before any request if neither field is given or the name is blank. A just-created course may 429 "not yet ready"
updateCourse(courseId, changes)| Parameter | Type | Optional | Description |
|---|---|---|---|
| courseId | number | string | no | Numeric id |
| changes | object | no |
In Claude this is the update_course tool.