# channels_from_checkpoint

> **Function** in `langgraph`

📖 [View in docs](https://reference.langchain.com/python/langgraph/pregel/_checkpoint/channels_from_checkpoint)

Get channels from a checkpoint.

## Signature

```python
channels_from_checkpoint(
    specs: Mapping[str, BaseChannel | ManagedValueSpec],
    checkpoint: Checkpoint,
) -> tuple[Mapping[str, BaseChannel], ManagedValueMapping]
```

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[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/0a26b471d34da94186bee8c48d0c463b5a3bd0a0/libs/langgraph/langgraph/pregel/_checkpoint.py#L58)