# setting_hint

> **Function** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_features/setting_hint)

Render the env var assignment that turns ``name`` on or off.

## Signature

```python
setting_hint(
    name: str,
    *,
    on: bool = True,
) -> str
```

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/19d52419f47c93ca2c57a0d51c58d255f5949092/python/langsmith/_features.py#L63)