# Auto-Generate YouTube Chapter Markers

**Use case:** 

Generate timestamped YouTube chapter markers from the real transcript. Output is an array of title + startSeconds ready for the YouTube description.

## Input

```json
{
  "startUrls": [
    {
      "url": "https://www.youtube.com/watch?v=jNQXAC9IVRw"
    }
  ],
  "repurposeMode": "chapters",
  "language": "auto",
  "includeTranscript": false,
  "maxPollSeconds": 240,
  "pollIntervalSeconds": 10
}
```

## Output

```json
{
  "url": {
    "label": "URL",
    "format": "string"
  },
  "status": {
    "label": "Status",
    "format": "string"
  },
  "language": {
    "label": "Language",
    "format": "string"
  },
  "durationSeconds": {
    "label": "Duration (s)",
    "format": "number"
  },
  "repurposed_thread": {
    "label": "Twitter/X Thread",
    "format": "string"
  },
  "repurposed_blog": {
    "label": "Blog Post",
    "format": "string"
  },
  "repurposed_chapters": {
    "label": "Chapters",
    "format": "string"
  }
}
```

## About this Actor

This example demonstrates how to use [YouTube to Blog Post, Twitter Thread & Show Notes Generator](https://apify.com/toshiusklay/wisprs-youtube-repurposer) with a specific input configuration. Visit the [Actor detail page](https://apify.com/toshiusklay/wisprs-youtube-repurposer) to learn more, explore other use cases, and run it yourself.