---
title: "init(start:end:)"
framework: coremedia
role: symbol
role_heading: Initializer
path: "coremedia/cmtimerange/init(start:end:)"
---

# init(start:end:)

Creates a valid time range from a start and end time.

## Declaration

```swift
init(start: CMTime, end: CMTime)
```

## Parameters

- `start`: The start time of the range.
- `end`: The end time of the range.

## See Also

### Creating Time Ranges

- [init()](coremedia/cmtimerange/init().md)
- [init(start:duration:)](coremedia/cmtimerange/init(start:duration:).md)