---
title: suggestedEncodingsKey
framework: foundation
role: symbol
role_heading: Type Property
path: foundation/stringencodingdetectionoptionskey/suggestedencodingskey
---

# suggestedEncodingsKey

## Declaration

```swift
static let suggestedEncodingsKey: StringEncodingDetectionOptionsKey
```

## Discussion

Discussion Option specifying any suggested string encodings. Use this when you have prior knowledge about the likely or expected encoding. The corresponding value for this key is an NSArray of NSNumber objects that contain NSStringEncoding values. If this option is unspecified, all allowed encodings are evaluated with equal consideration.

## See Also

### Type Properties

- [allowLossyKey](foundation/stringencodingdetectionoptionskey/allowlossykey.md)
- [disallowedEncodingsKey](foundation/stringencodingdetectionoptionskey/disallowedencodingskey.md)
- [fromWindowsKey](foundation/stringencodingdetectionoptionskey/fromwindowskey.md)
- [likelyLanguageKey](foundation/stringencodingdetectionoptionskey/likelylanguagekey.md)
- [lossySubstitutionKey](foundation/stringencodingdetectionoptionskey/lossysubstitutionkey.md)
- [useOnlySuggestedEncodingsKey](foundation/stringencodingdetectionoptionskey/useonlysuggestedencodingskey.md)