# format_property_key

> **Function** in `langchain_neo4j`

📖 [View in docs](https://reference.langchain.com/python/langchain-neo4j/graph_transformers/llm/format_property_key)

## Signature

```python
format_property_key(
    s: str,
) -> str
```

---

[View source on GitHub](https://github.com/langchain-ai/langchain-neo4j/blob/887064c6bea53318f3507ed07120ea68bfe6a36b/libs/neo4j/langchain_neo4j/graph_transformers/llm.py#L622)