---
title: SpeechPhonemeUPP
framework: applicationservices
role: symbol
role_heading: Type Alias
path: applicationservices/speechphonemeupp
---

# SpeechPhonemeUPP

Defines a universal procedure pointer (UPP) to a phoneme callback function.

## Declaration

```swift
typealias SpeechPhonemeUPP = SpeechPhonemeProcPtr
```

## Discussion

Discussion For more information, see the description of the SpeechPhonemeProcPtr callback function.