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

# Transcript Window • AI Agent SDK

> TranscriptWindow: Immutable transcript window for a turn.

# TranscriptWindow

> Defined in the [**Turn Context**](https://praison.ai/docs/sdk/reference/praisonaiagents/modules/turn_context.md) module.

AI Agent

Immutable transcript window for a turn.

Contains the conversation history slice to be included in the current
turn, with token budgeting and context optimization applied.

## Properties

**messages** `Tuple`

No description available.

**total\_tokens** `int`

No description available.

**system\_prompt** `Optional[str]`

No description available.

**context\_metadata** `Mapping[str, Any]`

No description available.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/runtime/turn_context.py#L97)
>
> `praisonaiagents/runtime/turn_context.py` at line 97


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