# OpenResponsesReasoningSummaryPartAddedEvent

Event emitted when a reasoning summary part is added


## Fields

| Field                                                                                                                          | Type                                                                                                                           | Required                                                                                                                       | Description                                                                                                                    | Example                                                                                                                        |
| ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------ | ------------------------------------------------------------------------------------------------------------------------------ |
| `type`                                                                                                                         | [components.OpenResponsesReasoningSummaryPartAddedEventType](../components/openresponsesreasoningsummarypartaddedeventtype.md) | :heavy_check_mark:                                                                                                             | N/A                                                                                                                            |                                                                                                                                |
| `output_index`                                                                                                                 | *float*                                                                                                                        | :heavy_check_mark:                                                                                                             | N/A                                                                                                                            |                                                                                                                                |
| `item_id`                                                                                                                      | *str*                                                                                                                          | :heavy_check_mark:                                                                                                             | N/A                                                                                                                            |                                                                                                                                |
| `summary_index`                                                                                                                | *float*                                                                                                                        | :heavy_check_mark:                                                                                                             | N/A                                                                                                                            |                                                                                                                                |
| `part`                                                                                                                         | [components.ReasoningSummaryText](../components/reasoningsummarytext.md)                                                       | :heavy_check_mark:                                                                                                             | N/A                                                                                                                            | {<br/>"type": "summary_text",<br/>"text": "Analyzed the problem using first principles"<br/>}                                  |
| `sequence_number`                                                                                                              | *float*                                                                                                                        | :heavy_check_mark:                                                                                                             | N/A                                                                                                                            |                                                                                                                                |