# ChatNVIDIAMessageCompatibilityMiddleware

> **Class** in `deepagents`

📖 [View in docs](https://reference.langchain.com/python/deepagents/profiles/harness/_nvidia_nemotron_3_ultra/ChatNVIDIAMessageCompatibilityMiddleware)

Mirror standard LangChain tool-call fields into ChatNVIDIA payload metadata.

## Signature

```python
ChatNVIDIAMessageCompatibilityMiddleware()
```

## Extends

- `AgentMiddleware`

## Properties

- `name`

## Methods

- [`wrap_model_call()`](https://reference.langchain.com/python/deepagents/profiles/harness/_nvidia_nemotron_3_ultra/ChatNVIDIAMessageCompatibilityMiddleware/wrap_model_call)
- [`awrap_model_call()`](https://reference.langchain.com/python/deepagents/profiles/harness/_nvidia_nemotron_3_ultra/ChatNVIDIAMessageCompatibilityMiddleware/awrap_model_call)

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[View source on GitHub](https://github.com/langchain-ai/deepagents/blob/90d4ce36dd6f9f402b8c40547972ffc13c8814ca/libs/deepagents/deepagents/profiles/harness/_nvidia_nemotron_3_ultra.py#L610)