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# MKLaunchOptionsShowsTrafficKey

A Boolean value that indicates whether to display traffic information.

```
let MKLaunchOptionsShowsTrafficKey: String
```

## Discussion

The value of this key is an <doc://com.apple.documentation/documentation/Foundation/NSNumber> object that contains a Boolean value. If you don’t specify this key, the Maps app uses its current settings to determine whether to display traffic.

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