# aidentity

> **Function** in `langchain_core`

📖 [View in docs](https://reference.langchain.com/python/langchain-core/runnables/passthrough/aidentity)

Async identity function.

## Signature

```python
aidentity(
    x: Other,
) -> Other
```

## Parameters

| Name | Type | Required | Description |
|------|------|----------|-------------|
| `x` | `Other` | Yes | Input. |

## Returns

`Other`

Output.

---

[View source on GitHub](https://github.com/langchain-ai/langchain/blob/9f232caa7a8fe1ca042a401942d5d90d54ceb1a6/libs/core/langchain_core/runnables/passthrough.py#L62)