---
title: id
framework: foundationmodels
role: symbol
role_heading: Instance Property
path: foundationmodels/transcript/tooloutput/id
---

# id

A unique id for this tool output.

## Declaration

```swift
var id: String
```

## See Also

### Inspecting a tool output

- [segments](foundationmodels/transcript/tooloutput/segments.md)
- [toolName](foundationmodels/transcript/tooloutput/toolname.md)