# S3MountSpec

> **Class** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/sandbox/_mounts/S3MountSpec)

S3-backed sandbox mount specification.

## Signature

```python
S3MountSpec()
```

## Extends

- `BucketMountSpecBase`

## Properties

- `id`
- `type`
- `mount_path`
- `s3`

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[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/d6cd6082f09e7826a2d6afe444ae6119e61b82a6/python/langsmith/sandbox/_mounts.py#L45)