# validate_identifier

> **Function** in `langchain_postgres`

📖 [View in docs](https://reference.langchain.com/python/langchain-postgres/v2/indexes/validate_identifier)

## Signature

```python
validate_identifier(
    identifier: str,
) -> None
```

---

[View source on GitHub](https://github.com/langchain-ai/langchain-postgres/blob/9d819182da7e3fb1b815e6c9a6b7c2cd1eb4bc0e/langchain_postgres/v2/indexes.py#L33)