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# encode(_:forKey:)

Encodes a given Core Media time range structure and associates it with a specified key.

```
func encode(_ timeRange: CMTimeRange, forKey key: String)
```

## Parameters

`timeRange`

A `CMTimeRange` structure.

`key`

The key with which to associate `timeRange` in the archive.

## See Also

[`-  decodeCMTimeRangeForKey:`](/documentation/Foundation/NSCoder/decodeTimeRange(forKey:))

Returns the Core Media time range structure associated with a given key.


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