{
  "name": "TikTokVideoAttachment",
  "description": "Video media file with download details",
  "as_type": "See ActivityStreams 2.0",
  "required_fields": [
    "bitrate",
    "codec",
    "height",
    "mediaType",
    "name",
    "type",
    "url",
    "width"
  ],
  "fields": [
    {
      "name": "type",
      "type": "string",
      "required": true,
      "description": "ActivityStreams object type",
      "example": "Video",
      "format": null
    },
    {
      "name": "name",
      "type": "string",
      "required": true,
      "description": "Quality label (e.g. h264_540p_829898-0)",
      "example": "normal_540_0",
      "format": null
    },
    {
      "name": "url",
      "type": "array<string>",
      "required": true,
      "description": "Media download URLs",
      "example": [
        "https://v19-webapp.tiktok.com/video/tos/us/tos-useast5-ve-0068c004/video.mp4"
      ],
      "format": null
    },
    {
      "name": "headers",
      "type": "$ref:TikTokVideoAttachmentHeaders",
      "required": false,
      "description": "Authentication headers for video download",
      "example": null,
      "format": null
    },
    {
      "name": "mediaType",
      "type": "string",
      "required": true,
      "description": "MIME type",
      "example": "video/mp4",
      "format": null
    },
    {
      "name": "codec",
      "type": "string",
      "required": true,
      "description": "Video codec (e.g. h264, h265)",
      "example": "h264",
      "format": null
    },
    {
      "name": "width",
      "type": "integer",
      "required": true,
      "description": "Width in pixels",
      "example": 576,
      "format": null
    },
    {
      "name": "height",
      "type": "integer",
      "required": true,
      "description": "Height in pixels",
      "example": 1024,
      "format": null
    },
    {
      "name": "bitrate",
      "type": "integer",
      "required": true,
      "description": "Bitrate in bits per second",
      "example": 1101943,
      "format": null
    }
  ]
}