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# loadSamplePresentationTime(forTrackTime:completionHandler:)

Loads a sample presentation time that maps to the specified track time.

```
func loadSamplePresentationTime(forTrackTime trackTime: CMTime, completionHandler: @escaping @Sendable (CMTime, (any Error)?) -> Void)
```

## Parameters

`trackTime`

The track time of the presentation time to load.

`completionHandler`

A callback that the system invokes after it finishes the loading request. It passes the completion handler the following parameters:

- time: A <doc://com.apple.documentation/documentation/CoreMedia/CMTime> value, which is <doc://com.apple.documentation/documentation/CoreMedia/CMTime/invalid> if the track time is out of range or if an error occurs.
- error: An error object if the request fails; otherwise, `nil`.

## Discussion

---

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