# Item

> **Class** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/types/annotation_queues/item_create_params/Item)

## Signature

```python
Item()
```

## Extends

- `TypedDict`

## Constructors

```python
__init__(
    item_type: Literal['RUN', 'THREAD'],
    project_id: str,
    run_id: str,
    session_id: str,
    source_proposed_example_id: str,
    start_time: Annotated[Union[str, datetime], PropertyInfo(format='iso8601')],
    thread_id: str,
)
```

| Name | Type |
|------|------|
| `item_type` | `Literal['RUN', 'THREAD']` |
| `project_id` | `str` |
| `run_id` | `str` |
| `session_id` | `str` |
| `source_proposed_example_id` | `str` |
| `start_time` | `Annotated[Union[str, datetime], PropertyInfo(format='iso8601')]` |
| `thread_id` | `str` |


## Properties

- `item_type`
- `project_id`
- `run_id`
- `session_id`
- `source_proposed_example_id`
- `start_time`
- `thread_id`

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/3114edff2f41e5989724f27c0b37d3f69c6f198c/python/langsmith/_openapi_client/types/annotation_queues/item_create_params.py#L21)