> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-5b6e02fd.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# AnthropicDocumentBlockParamSourceUnion - Python SDK

> AnthropicDocumentBlockParamSourceUnion method reference

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

## Supported Types

### `components.AnthropicBase64PdfSource`

```python lines theme={null}
value: components.AnthropicBase64PdfSource = /* values here */
```

### `components.AnthropicPlainTextSource`

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

### `components.SourceContent`

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

### `components.AnthropicURLPdfSource`

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