# JsonKeyOutputFunctionsParser

> **Class** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/output_parsers/openai_functions/JsonKeyOutputFunctionsParser)

Parse an output as the element of the JSON object.

## Signature

```python
JsonKeyOutputFunctionsParser(
    self,
    *args: Any = (),
    **kwargs: Any = {},
)
```

## Extends

- `JsonOutputFunctionsParser`

## Properties

- `key_name`

## Methods

- [`parse_result()`](https://reference.langchain.com/python/langchain-core/output_parsers/openai_functions/JsonKeyOutputFunctionsParser/parse_result)

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[View source on GitHub](https://github.com/langchain-ai/langchain/blob/51e954877efd2d2c3c5bf09364dcfec8794eadb0/libs/core/langchain_core/output_parsers/openai_functions.py#L157)