# constants

> **Module** in `langgraph`

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

## Properties

- `CONF`
- `CONFIG_KEY_CHECKPOINTER`
- `TASKS`
- `TAG_NOSTREAM`
- `TAG_HIDDEN`
- `END`
- `START`

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[View source on GitHub](https://github.com/langchain-ai/langgraph/blob/d27d4b2d9895a4aa83170b4aaa135878f99c7fd6/libs/langgraph/langgraph/constants.py)