---
title: AttributeScopes.SpeechAttributes.ConfidenceAttribute
framework: foundation
role: symbol
role_heading: Structure
path: foundation/attributescopes/speechattributes/confidenceattribute
---

# AttributeScopes.SpeechAttributes.ConfidenceAttribute

A confidence level (0–1) of the associated transcription text.

## Declaration

```swift
struct ConfidenceAttribute
```

## Relationships

### Conforms To

- [AttributedStringKey](foundation/attributedstringkey.md)
- [DecodableAttributedStringKey](foundation/decodableattributedstringkey.md)
- [EncodableAttributedStringKey](foundation/encodableattributedstringkey.md)
- [SendableMetatype](swift/sendablemetatype.md)