---
title: NSSpeechSynthesizer.SpeechPropertyKey.SynthesizerInfoKey
framework: appkit
role: symbol
role_heading: Structure
path: appkit/nsspeechsynthesizer/speechpropertykey/synthesizerinfokey
---

# NSSpeechSynthesizer.SpeechPropertyKey.SynthesizerInfoKey

Keys for the speech synthesizier information.

## Declaration

```swift
struct SynthesizerInfoKey
```

## Discussion

Discussion Use constants as keys for the synthesizerInfo dictionary.

## Topics

### Synthesizer Info Keys

- [identifier](appkit/nsspeechsynthesizer/speechpropertykey/synthesizerinfokey/identifier.md)
- [version](appkit/nsspeechsynthesizer/speechpropertykey/synthesizerinfokey/version.md)

### Initializers

- [init(rawValue:)](appkit/nsspeechsynthesizer/speechpropertykey/synthesizerinfokey/init(rawvalue:).md)

## Relationships

### Conforms To

- [Equatable](swift/equatable.md)
- [Hashable](swift/hashable.md)
- [RawRepresentable](swift/rawrepresentable.md)
- [Sendable](swift/sendable.md)
- [SendableMetatype](swift/sendablemetatype.md)

## See Also

### Configuring Speech Attributes

- [addSpeechDictionary(_:)](appkit/nsspeechsynthesizer/addspeechdictionary(_:).md)
- [NSSpeechSynthesizer.DictionaryKey](appkit/nsspeechsynthesizer/dictionarykey.md)
- [object(forProperty:)](appkit/nsspeechsynthesizer/object(forproperty:).md)
- [setObject(_:forProperty:)](appkit/nsspeechsynthesizer/setobject(_:forproperty:).md)
- [NSSpeechSynthesizer.SpeechPropertyKey](appkit/nsspeechsynthesizer/speechpropertykey.md)
- [NSSpeechSynthesizer.SpeechPropertyKey.CommandDelimiterKey](appkit/nsspeechsynthesizer/speechpropertykey/commanddelimiterkey.md)
- [NSSpeechSynthesizer.SpeechPropertyKey.ErrorKey](appkit/nsspeechsynthesizer/speechpropertykey/errorkey.md)
- [NSSpeechSynthesizer.SpeechPropertyKey.Mode](appkit/nsspeechsynthesizer/speechpropertykey/mode.md)
- [NSSpeechSynthesizer.SpeechPropertyKey.PhonemeInfoKey](appkit/nsspeechsynthesizer/speechpropertykey/phonemeinfokey.md)
- [NSSpeechSynthesizer.SpeechPropertyKey.StatusKey](appkit/nsspeechsynthesizer/speechpropertykey/statuskey.md)
- [NSSpeechSynthesizer.VoiceGender](appkit/nsspeechsynthesizer/voicegender.md)