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# infoDictionary

A dictionary, constructed from the bundle’s `Info.plist` file, that contains information about the receiver.

```
var infoDictionary: [String : Any]? { get }
```

## Discussion

If the bundle does not contain an `Info.plist` file, this dictionary contains only private keys that are used internally by the [`Bundle`](/documentation/Foundation/Bundle) class. The [`Bundle`](/documentation/Foundation/Bundle) class may add extra keys to this dictionary for its own use. Common keys for accessing the values of the dictionary are `CFBundleIdentifier`, `NSMainNibFile`, and `NSPrincipalClass`.

## See Also

[`principalClass`](/documentation/Foundation/Bundle/principalClass)

The bundle’s principal class.

[`+  dictionaryWithContentsOfFile:`](/documentation/Foundation/NSDictionary/dictionaryWithContentsOfFile:)

Creates a dictionary using the keys and values found in a file specified by a given path.


---

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