> ## 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.

# ThinkingCompleteNotification

> A thinking block completed, with its duration.

## Properties

**blockIndex** `number` *required*

0-based index of this thinking block within the current turn.

**durationMs** `number` *required*

Streaming duration of the thinking block (excludes prefill/TTFT).

**method** `"_cognition.ai/thinking_complete"` *required*

**sessionId** `string` *required*


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