# to_json_not_implemented

> **Function** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/load/serializable/to_json_not_implemented)

Serialize a "not implemented" object.

## Signature

```python
to_json_not_implemented(
    obj: object,
) -> SerializedNotImplemented
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `obj` | `object` | Yes | Object to serialize. |

## Returns

`SerializedNotImplemented`

`SerializedNotImplemented`

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/f0c5a28fa05adcda89aebcb449d897245ab21fa4/libs/core/langchain_core/load/serializable.py#L362)