# create_session_from_env

> **Function** in `langchain_snowflake`

📖 [View in docs](https://reference.langchain.com/python/langchain-snowflake/create_session_from_env)

Create a Snowflake session from environment variables.

Expected environment variables:
- SNOWFLAKE_ACCOUNT: Account identifier
- SNOWFLAKE_USER: Username
- SNOWFLAKE_PASSWORD: Password
- SNOWFLAKE_WAREHOUSE: Warehouse (optional)
- SNOWFLAKE_DATABASE: Database (optional)
- SNOWFLAKE_SCHEMA: Schema (optional)

## Signature

```python
create_session_from_env() -> Session
```

## Returns

`Session`

Configured Snowflake session

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[View source on GitHub](https://github.com/langchain-ai/langchain-snowflake/blob/2e97019577cd7e4a47ec8bbbda7b50d10117ed0d/libs/snowflake/langchain_snowflake/__init__.py#L57)