---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/functions/descriptionToChatCompletionsJsonSchema.md
---

# Function: descriptionToChatCompletionsJsonSchema()

```ts
function descriptionToChatCompletionsJsonSchema(d: DescriptionLike): JsonSchema;
```

Defined in: [src/batteries/llm/chat\_common/helpers.ts:263](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/chat_common/helpers.ts#L263)

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

## Parameters

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

## Returns

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