---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/variables/defaultDescriptionToChatCompletionsJsonSchema.md
description: >-
  Default JSON-Schema renderer; alias of {@link
  descriptionToChatCompletionsJsonSchema}.
---

# Variable: defaultDescriptionToChatCompletionsJsonSchema

```ts
const defaultDescriptionToChatCompletionsJsonSchema: (
  d: DescriptionLike,
) => JsonSchema = descriptionToChatCompletionsJsonSchema;
```

Defined in: [batteries/llm/chat\_common/helpers.ts:186](https://github.com/NHTIO/ADK/blob/v1.20260609.0/src/batteries/llm/chat_common/helpers.ts#L186)

Default JSON-Schema renderer; alias of [descriptionToChatCompletionsJsonSchema](../functions/descriptionToChatCompletionsJsonSchema.md).

Implements [ChatHelpersCommon.descriptionToChatCompletionsJsonSchema](../llm/ollama/interfaces/ChatHelpersCommon.md#property-descriptiontochatcompletionsjsonschema).

## Parameters

| Parameter | Type                                                  |
| --------- | ----------------------------------------------------- |
| `d`       | [`DescriptionLike`](../interfaces/DescriptionLike.md) |

## Returns

[`JsonSchema`](../interfaces/JsonSchema.md)