---
title: kSpeechVoiceID
framework: applicationservices
role: symbol
role_heading: Global Variable
path: applicationservices/kspeechvoiceid
---

# kSpeechVoiceID

The voice ID of the voice for the synthesizer (every voice on a synthesizer has a unique ID).

## Declaration

```swift
let kSpeechVoiceID: CFString
```