---
url: >-
  https://adk.nht.io/api/@nhtio/adk/batteries/llm/openai_responses/types/interfaces/OpenAIResponsesReasoningTextDoneEvent.md
description: >-
  SSE event emitted when a `reasoning` item's full-reasoning-text part is
  finalized.
---

# Interface: OpenAIResponsesReasoningTextDoneEvent

Defined in: [src/batteries/llm/openai\_responses/types.ts:432](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/openai_responses/types.ts#L432)

SSE event emitted when a `reasoning` item's full-reasoning-text part is finalized.

## Extends

* `OpenAIResponsesStreamEventBase`

## Properties

| Property                                                 | Type                             | Description                                                                | Overrides                             | Inherited from                                   | Defined in                                                                                                                                              |
| -------------------------------------------------------- | -------------------------------- | -------------------------------------------------------------------------- | ------------------------------------- | ------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------------------------------- |
|  `content_index`      | `number`                         | The index of the content part within the item's `content` array.           | -                                     | -                                                | [src/batteries/llm/openai\_responses/types.ts:440](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/openai_responses/types.ts#L440) |
|  `item_id`                  | `string`                         | The id of the reasoning item this text belongs to.                         | -                                     | -                                                | [src/batteries/llm/openai\_responses/types.ts:436](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/openai_responses/types.ts#L436) |
|  `output_index`        | `number`                         | The index of the reasoning item within `response.output`.                  | -                                     | -                                                | [src/batteries/llm/openai\_responses/types.ts:438](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/openai_responses/types.ts#L438) |
|  `sequence_number?` | `number`                         | Monotonically increasing sequence number for this event within the stream. | -                                     | `OpenAIResponsesStreamEventBase.sequence_number` | [src/batteries/llm/openai\_responses/types.ts:310](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/openai_responses/types.ts#L310) |
|  `text`                        | `string`                         | The complete, finalized reasoning text.                                    | -                                     | -                                                | [src/batteries/llm/openai\_responses/types.ts:442](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/openai_responses/types.ts#L442) |
|  `type`                        | `"response.reasoning_text.done"` | Event-type discriminator; always `'response.reasoning_text.done'`.         | `OpenAIResponsesStreamEventBase.type` | -                                                | [src/batteries/llm/openai\_responses/types.ts:434](https://github.com/NHTIO/ADK/blob/v1.20261003.0/src/src/batteries/llm/openai_responses/types.ts#L434) |