---
title: "updateUsage(input:output:metadata:)"
framework: foundationmodels
role: symbol
role_heading: Type Method
platforms: [iOS 27.0+, iPadOS 27.0+, Mac Catalyst 27.0+, macOS 27.0+, visionOS 27.0+, watchOS 27.0+]
path: "foundationmodels/languagemodelexecutorgenerationchannel/toolcalls/action-swift.struct/updateusage(input:output:metadata:)"
---

# updateUsage(input:output:metadata:)

## Declaration

```swift
static func updateUsage(input: LanguageModelExecutorGenerationChannel.Usage.Input, output: LanguageModelExecutorGenerationChannel.Usage.Output, metadata: [String : any Sendable & Codable & Equatable] = [:]) -> LanguageModelExecutorGenerationChannel.ToolCalls.Action
```