# OpenResponsesStreamEventResponseContentPartAdded

Event emitted when a new content part is added to an output item


## Fields

| Field                                                                            | Type                                                                             | Required                                                                         | Description                                                                      |
| -------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- | -------------------------------------------------------------------------------- |
| `type`                                                                           | [models.TypeResponseContentPartAdded](../models/typeresponsecontentpartadded.md) | :heavy_check_mark:                                                               | N/A                                                                              |
| `output_index`                                                                   | *float*                                                                          | :heavy_check_mark:                                                               | N/A                                                                              |
| `item_id`                                                                        | *str*                                                                            | :heavy_check_mark:                                                               | N/A                                                                              |
| `content_index`                                                                  | *float*                                                                          | :heavy_check_mark:                                                               | N/A                                                                              |
| `part`                                                                           | [models.Part1](../models/part1.md)                                               | :heavy_check_mark:                                                               | N/A                                                                              |
| `sequence_number`                                                                | *float*                                                                          | :heavy_check_mark:                                                               | N/A                                                                              |