---
title: "init(input:output:)"
framework: foundationmodels
role: symbol
role_heading: Initializer
path: "foundationmodels/languagemodelexecutorgenerationchannel/usage/init(input:output:)"
---

# init(input:output:)

Creates a usage update.

## Declaration

```swift
init(input: LanguageModelExecutorGenerationChannel.Usage.Input, output: LanguageModelExecutorGenerationChannel.Usage.Output)
```

## Parameters

- `input`: Token counts for the transcript.
- `output`: Token counts for the response.