---
title: kSpeechErrorCallbackCharacterOffset
framework: applicationservices
role: symbol
role_heading: Global Variable
path: applicationservices/kspeecherrorcallbackcharacteroffset
---

# kSpeechErrorCallbackCharacterOffset

The character index in the text being synthesized when the error occurred (the string representing the text is in kSpeechErrorCallbackSpokenString).

## Declaration

```swift
let kSpeechErrorCallbackCharacterOffset: CFString
```