# Dataset

> **Class** in `langsmith`

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

Dataset ORM model.

## Signature

```python
Dataset(
    self,
    _host_url: Optional[str] = None,
    _tenant_id: Optional[UUID] = None,
    _public_path: Optional[str] = None,
    **kwargs: Any = {},
)
```

## Extends

- `DatasetBase`

## Constructors

```python
__init__(
    self,
    _host_url: Optional[str] = None,
    _tenant_id: Optional[UUID] = None,
    _public_path: Optional[str] = None,
    **kwargs: Any = {},
) -> None
```

| Name | Type |
|------|------|
| `_host_url` | `Optional[str]` |
| `_tenant_id` | `Optional[UUID]` |
| `_public_path` | `Optional[str]` |


## Properties

- `id`
- `created_at`
- `modified_at`
- `example_count`
- `session_count`
- `last_session_start_time`
- `inputs_schema`
- `outputs_schema`
- `transformations`
- `metadata`
- `url`

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/cf0366388873e33ef593235c1d0c7e561db79cfb/python/langsmith/schemas.py#L247)