> This page is for version v0.24.1.
> For other versions, use one of these documentation indexes:
> - Latest (default): https://docs.nvidia.com/nemo/guardrails/latest/llms.txt
> - v0.24.1: https://docs.nvidia.com/nemo/guardrails/v0.24.1/llms.txt
> - v0.24.0: https://docs.nvidia.com/nemo/guardrails/v0.24.0/llms.txt
> - v0.23.0: https://docs.nvidia.com/nemo/guardrails/v0.23.0/llms.txt
> - v0.22.0: https://docs.nvidia.com/nemo/guardrails/v0.22.0/llms.txt

> For clean Markdown of any page, append .md to the page URL.
> For a complete documentation index, see https://docs.nvidia.com/nemo/guardrails/llms.txt.
> For AI client integration (Claude Code, Cursor, etc.), connect to the MCP server at https://docs.nvidia.com/nemo/guardrails/_mcp/server.

# nemoguardrails.integrations.langchain.exceptions

## Module Contents

### Classes

| Name                                                                                         | Description |
| -------------------------------------------------------------------------------------------- | ----------- |
| [`GuardrailViolation`](#nemoguardrails-integrations-langchain-exceptions-GuardrailViolation) | -           |

### API

```python
class nemoguardrails.integrations.langchain.exceptions.GuardrailViolation(
    message: str,
    result: typing.Optional[nemoguardrails.rails.llm.options.RailsResult] = None,
    rail_type: typing.Optional[str] = None
)
```

Exception

**Bases:** `Exception`

```python
nemoguardrails.integrations.langchain.exceptions.GuardrailViolation.__str__()
```