> For the complete documentation index, see [llms.txt](https://docs.chartbeat.com/cbp/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.chartbeat.com/cbp/tracking/mobile-app-sdks/ios-sdk/video-tracking.md).

# Video Tracking

| Method                                                                                                     | Description                       |
| ---------------------------------------------------------------------------------------------------------- | --------------------------------- |
| <ul><li>trackVideo:viewId:title:thumbnail:engagedTime:duration:playState:contentTime:playerTime:</li></ul> | Start tracking a video view       |
| <ul><li>updateVideoPlayState:duration:engagedTime:contentTime:playerTime:</li></ul>                        | Update an in-flight video's state |

**Play states**

| Value | Meaning          |
| ----- | ---------------- |
| s1    | Unplayed         |
| s2    | Played           |
| s3    | Paused / stopped |
| s4    | Finished         |