# build_serde_allowlist

> **Function** in `langgraph`

📖 [View in docs](https://reference.langchain.com/python/langgraph/_internal/_serde/build_serde_allowlist)

## Signature

```python
build_serde_allowlist(
    *,
    schemas: list[type[Any]] | None = None,
    channels: dict[str, Any] | None = None,
) -> set[tuple[str, ...]]
```

---

[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/b674dd46228b0928a6bc0ad9a3d8e38ef28f6895/libs/langgraph/langgraph/_internal/_serde.py#L87)