# create_session_from_pat

> **Function** in `langchain_snowflake`

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

Create a Snowflake session using Personal Access Token (PAT) from
environment variables.

Reads all credentials from environment variables:
- SNOWFLAKE_ACCOUNT: Account identifier (required)
- SNOWFLAKE_USER: Username (required)
- SNOWFLAKE_PAT: Personal Access Token (required)
- SNOWFLAKE_WAREHOUSE: Warehouse (optional)
- SNOWFLAKE_DATABASE: Database (optional)
- SNOWFLAKE_SCHEMA: Schema (optional)

## Signature

```python
create_session_from_pat() -> Session
```

## Returns

`Session`

Configured Snowflake session

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[View source on GitHub](https://github.com/langchain-ai/langchain-snowflake/blob/1a32a1c6642b6c453e9537f35afbc7da280f8679/libs/snowflake/langchain_snowflake/__init__.py#L164)