video_block_full.json

{
    "type": "video",
    "block_id": "video_1",
    "alt_text": "How to use Slack",
    "thumbnail_url": "https://example.com/thumb.png",
    "title": {
        "type": "plain_text",
        "text": "Getting Started"
    },
    "video_url": "https://example.com/video.mp4",
    "author_name": "Slack",
    "description": {
        "type": "plain_text",
        "text": "A short intro"
    },
    "provider_icon_url": "https://example.com/icon.png",
    "provider_name": "YouTube",
    "title_url": "https://example.com"
}