> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# InputUnion - Python SDK

> InputUnion method reference

<Warning>
  The Python SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/python-sdk/issues).
</Warning>

The input to the generation — either a prompt string or an array of messages

## Supported Types

### `components.Input1`

```python lines theme={null}
value: components.Input1 = /* values here */
```

### `components.Input2`

```python lines theme={null}
value: components.Input2 = /* values here */
```