---
title: signature
framework: foundationmodels
role: symbol
role_heading: Instance Property
path: foundationmodels/languagemodelexecutorgenerationchannel/reasoningsignature/signature
---

# signature

## Declaration

```swift
var signature: Data
```

## See Also

### Handling the reasoning signature

- [tokenCount](foundationmodels/languagemodelexecutorgenerationchannel/reasoningsignature/tokencount.md)