# ServerSentEvent

> **Class** in `langsmith`

📖 [View in docs](https://reference.langchain.com/python/langsmith/_openapi_client/_streaming/ServerSentEvent)

## Signature

```python
ServerSentEvent(
    self,
    *,
    event: str | None = None,
    data: str | None = None,
    id: str | None = None,
    retry: int | None = None,
)
```

## Constructors

```python
__init__(
    self,
    *,
    event: str | None = None,
    data: str | None = None,
    id: str | None = None,
    retry: int | None = None,
) -> None
```

| Name | Type |
|------|------|
| `event` | `str \| None` |
| `data` | `str \| None` |
| `id` | `str \| None` |
| `retry` | `int \| None` |


## Properties

- `event`
- `id`
- `retry`
- `data`

## Methods

- [`json()`](https://reference.langchain.com/python/langsmith/_openapi_client/_streaming/ServerSentEvent/json)

---

[View source on GitHub](https://github.com/langchain-ai/langsmith-sdk/blob/19d52419f47c93ca2c57a0d51c58d255f5949092/python/langsmith/_openapi_client/_streaming.py#L152)