---
title: "MessagesMessageParamContentUnion3"
---

## Supported Types

### `List[components.AnthropicWebSearchResultBlockParam]`

```python
value: List[components.AnthropicWebSearchResultBlockParam] = /* values here */
```

### `components.ContentWebSearchToolResultError`

```python
value: components.ContentWebSearchToolResultError = /* values here */
```