# StandardStreamEvent

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/runnables/schema/StandardStreamEvent)

A standard stream event that follows LangChain convention for event data.

## Signature

```python
StandardStreamEvent()
```

## Extends

- `BaseStreamEvent`

## Properties

- `data`
- `name`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/02991cb4cf2063d51a07268edafb05fe53de1826/libs/core/langchain_core/runnables/schema.py#L164)