> ## Documentation Index
> Fetch the complete documentation index at: https://docs.devin.ai/llms.txt
> Use this file to discover all available pages before exploring further.

# FileUpdate

> One file a tool call touched.

## Properties

**action** `undefined | FileAction` *required*

**Type:** `undefined | FileAction`

**linesAdded** `undefined | number` *required*

**linesRemoved** `undefined | number` *required*

**path** `string` *required*


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