---
title: "InvokeSpeechSyncUPP(_:_:_:_:)"
framework: Application Services
role: symbol
role_heading: Function
platforms: [Mac Catalyst 16.0+, xcode 14.0+]
path: applicationservices/4030011-invokespeechsyncupp
---

# InvokeSpeechSyncUPP(_:_:_:_:)

## Declaration

```swift
func InvokeSpeechSyncUPP(_ chan: SpeechChannel, _ refCon: SRefCon, _ syncMessage: OSType, _ userUPP: SpeechSyncUPP)
```