---
title: metadata
framework: foundationmodels
role: symbol
role_heading: Instance Property
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, visionOS 27.0+, watchOS 27.0+]
path: foundationmodels/languagemodelexecutorgenerationchannel/usage/metadata
---

# metadata

The additional metadata with a token count.

## Declaration

```swift
var metadata: [String : any Sendable & Codable & Equatable]
```