> ## 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.

# Normalized Tool Result • AI Agent SDK

> NormalizedToolResult: Standardized tool result format.

# NormalizedToolResult

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

AI Agent

Standardized tool result format.

Plugin harnesses should normalize their vendor-specific results
into this format so hooks and memory adapters see consistent payloads.

```mermaid theme={"theme":{"light":"vitesse-light","dark":"vitesse-dark"}}
%%{init: {'theme': 'base', 'themeVariables': { 'primaryColor': '#8B0000', 'primaryTextColor': '#fff', 'primaryBorderColor': '#710101', 'lineColor': '#189AB4', 'secondaryColor': '#189AB4', 'tertiaryColor': '#fff' }}}%%

graph LR
    agent["Agent"] -- "uses" --> tool["Tool: NormalizedToolResult"]
    tool -- "returns" --> result["Result"]
    style tool fill:#189AB4,color:#fff
    style agent fill:#8B0000,color:#fff
    style result fill:#8B0000,color:#fff
```

## Properties

**content** `Any`

No description available.

**success** `bool`

No description available.

**error\_message** `Optional[str]`

No description available.

**metadata** `Dict[str, Any]`

No description available.

**execution\_time\_ms** `float`

No description available.

**timestamp** `float`

No description available.

**raw\_result** `Optional`

No description available.

## Source

> [card] [View on GitHub](https://github.com/MervinPraison/PraisonAI/blob/main/src/praisonai-agents/praisonaiagents/runtime/middleware.py#L42)
>
> `praisonaiagents/runtime/middleware.py` at line 42

***

## Related Documentation

> [card] [Tools Concept](https://praison.ai/docs/docs/concepts/tools)

> [card] [Create Custom Tools](https://praison.ai/docs/docs/guides/tools/create-custom-tools)

> [card] [Tool Development](https://praison.ai/docs/docs/tutorials/advanced-tool-development)


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