# address

> **Attribute** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/run_trees/WriteReplica/address)

## Signature

```python
address: Optional[str]
```

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/a39745c67839496a98e5e846122664d8070c8dca/python/langsmith/run_trees.py#L75)