# CombiningOutputParser

> **Class** in `langchain_classic`

📖 [View in docs](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser)

Combine multiple output parsers into one.

## Signature

```python
CombiningOutputParser()
```

## Extends

- `BaseOutputParser[dict[str, Any]]`

## Properties

- `parsers`

## Methods

- [`is_lc_serializable()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/is_lc_serializable)
- [`validate_parsers()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/validate_parsers)
- [`get_format_instructions()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/get_format_instructions)
- [`parse()`](https://reference.langchain.com/python/langchain-classic/output_parsers/combining/CombiningOutputParser/parse)

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/f0c5a28fa05adcda89aebcb449d897245ab21fa4/libs/langchain/langchain_classic/output_parsers/combining.py#L12)