---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/llm/anthropic_messages/helpers/variables/defaultRenderAnthropicTimelineMessage.md
description: Default timeline renderer.
---

# Variable: defaultRenderAnthropicTimelineMessage

```ts
const defaultRenderAnthropicTimelineMessage: (input: {
  message: Message;
  renderAnthropicMediaBlocks: (input: {
    media: Media;
    renderTrustedContent: (
      content: string,
      attrs: TrustedContentAttrs,
    ) => string;
    renderUntrustedContent: (
      content: string,
      attrs: UntrustedContentAttrs,
    ) => string;
    unsupportedMediaPolicy: UnsupportedMediaPolicy;
    warn?: (msg: string) => void;
  }) => Promise<ContentBlockParam[]>;
  selfIdentity: string;
  unsupportedMediaPolicy: UnsupportedMediaPolicy;
  warn?: (msg: string) => void;
}) => Promise<MessageParam | null> = renderAnthropicTimelineMessage;
```

Defined in: [src/batteries/llm/anthropic\_messages/helpers.ts:490](https://github.com/NHTIO/ADK/blob/v1.20260726.0/src/src/batteries/llm/anthropic_messages/helpers.ts#L490)

Default timeline renderer.

Renders one ADK timeline message using an identity-bearing content envelope.

## Parameters

| Parameter                          | Type                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        |
| ---------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `input`                            | { `message`: [`Message`](../../../../../common/classes/Message.md); `renderAnthropicMediaBlocks`: (`input`: { `media`: [`Media`](../../../../../common/classes/Media.md); `renderTrustedContent`: (`content`: `string`, `attrs`: [`TrustedContentAttrs`](../../../../interfaces/TrustedContentAttrs.md)) => `string`; `renderUntrustedContent`: (`content`: `string`, `attrs`: [`UntrustedContentAttrs`](../../../../interfaces/UntrustedContentAttrs.md)) => `string`; `unsupportedMediaPolicy`: [`UnsupportedMediaPolicy`](../../../transformers_js/type-aliases/UnsupportedMediaPolicy.md); `warn?`: (`msg`: `string`) => `void`; }) => `Promise`<`ContentBlockParam`\[]>; `selfIdentity`: `string`; `unsupportedMediaPolicy`: [`UnsupportedMediaPolicy`](../../../transformers_js/type-aliases/UnsupportedMediaPolicy.md); `warn?`: (`msg`: `string`) => `void`; } |
| `input.message`                    | [`Message`](../../../../../common/classes/Message.md)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| `input.renderAnthropicMediaBlocks` | (`input`: { `media`: [`Media`](../../../../../common/classes/Media.md); `renderTrustedContent`: (`content`: `string`, `attrs`: [`TrustedContentAttrs`](../../../../interfaces/TrustedContentAttrs.md)) => `string`; `renderUntrustedContent`: (`content`: `string`, `attrs`: [`UntrustedContentAttrs`](../../../../interfaces/UntrustedContentAttrs.md)) => `string`; `unsupportedMediaPolicy`: [`UnsupportedMediaPolicy`](../../../transformers_js/type-aliases/UnsupportedMediaPolicy.md); `warn?`: (`msg`: `string`) => `void`; }) => `Promise`<`ContentBlockParam`\[]>                                                                                                                                                                                                                                                                                               |
| `input.selfIdentity`               | `string`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    |
| `input.unsupportedMediaPolicy`     | [`UnsupportedMediaPolicy`](../../../transformers_js/type-aliases/UnsupportedMediaPolicy.md)                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |
| `input.warn?`                      | (`msg`: `string`) => `void`                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                 |

## Returns

`Promise`<`MessageParam` | `null`>