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- Description

I have an video that I want to uploaded captions to through the YouTube API. I built a python script that looks like the following:

def upload_caption(
    video_id: str, file_path: str, language: str = "en", name: str = "English Caption"
):
    credentials = os.getenv("YOUTUBE_OAUTH_CREDENTIALS")
    if credentials is None:
        raise ValueError("YOUTUBE_OAUTH_CLIENT_SECRET is required")

    # Build the YouTube service
    youtube = get_authenticated_service(credentials)

    logger.info(f"Uploading {language} caption for {video_id}")

    request = youtube.captions().insert(
        part="snippet",
        body={
            "snippet": {
                "language": language,
                "name": name,
                "videoId": video_id,
                "isDraft": True,
            }
        },
        media_body=MediaFileUpload(file_path),
    )
    response = request.execute()

It is for this video

https://www.youtube.com/watch?v=UdJr2p5RrF0

- API request with parameters used (DO NOT include your credential)

    # Build the YouTube service
    youtube = get_authenticated_service(credentials)

    logger.info(f"Uploading {language} caption for {video_id}")

    request = youtube.captions().insert(
        part="snippet",
        body={
            "snippet": {
                "language": language,
                "name": name,
                "videoId": video_id,
                "isDraft": True,
            }
        },
        media_body=MediaFileUpload(file_path),
    )
    response = request.execute()

- Result (copy and paste a JSON response you received)

{{'kind': 'youtube#caption', 'etag': 'BwLV9L8w2orzDQDKDgYL2jeevrA', 'id': 'AUieDaZtNZ8JOoqqvflaC5y6eh-9U-WXlpEgnISlSTbA6bH-Qn5KV8fjWQyi', 'snippet': {'videoId': 'UdJr2p5RrF0', 'lastUpdated': '2024-12-06T14:20:22.988179Z', 'trackKind': 'standard', 'language': 'sv', 'name': 'sv_caption', 'audioTrackType': 'unknown', 'isCC': False, 'isLarge': False, 'isEasyReader': False, 'isDraft': True, 'isAutoSynced': False, 'status': 'serving'}}

- Expected result
I cannot find that in the docs, so I was hoping to see in the video that I can choose another closed caption. Or, see it in youtube studio

- Is it 100% reproducible?
Yes

- Reproducible API explorer link
Do not have