> ## 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.

# ModeChangeEvent

> The session's permission mode changed.

## Properties

**modeId** `undefined | string` *required*

**type** `"mode_change"` *required*

**update** `SessionUpdate` *required*


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