---
title: Error Callback User-Information String
framework: applicationservices
role: collectionGroup
role_heading: API Collection
path: applicationservices/speech_synthesis_manager/error_callback_user-information_string
---

# Error Callback User-Information String

Specifies information about the text being synthesized when an error occurs.

## Topics

### Constants

- [kSpeechErrorCallbackSpokenString](applicationservices/kspeecherrorcallbackspokenstring.md)
- [kSpeechErrorCallbackCharacterOffset](applicationservices/kspeecherrorcallbackcharacteroffset.md)