---
title: "insertEmptyTimeRange(_:)"
framework: avfoundation
role: symbol
role_heading: Instance Method
path: "avfoundation/avmutablemovietrack/insertemptytimerange(_:)"
---

# insertEmptyTimeRange(_:)

Adds an empty time range to a track.

## Declaration

```swift
func insertEmptyTimeRange(_ timeRange: CMTimeRange)
```

## Parameters

- `timeRange`: A time range to insert.

## Discussion

Discussion You can’t add empty time ranges to the end of a track.

## See Also

### Managing time ranges

- [insertTimeRange(_:of:at:copySampleData:)](avfoundation/avmutablemovietrack/inserttimerange(_:of:at:copysampledata:).md)
- [removeTimeRange(_:)](avfoundation/avmutablemovietrack/removetimerange(_:).md)
- [scaleTimeRange(_:toDuration:)](avfoundation/avmutablemovietrack/scaletimerange(_:toduration:).md)