# OpenResponsesStreamEventResponseOutputItemAdded

Event emitted when a new output item is added to the response


## Fields

| Field                                                                                                                                                                       | Type                                                                                                                                                                        | Required                                                                                                                                                                    | Description                                                                                                                                                                 | Example                                                                                                                                                                     |
| --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `type`                                                                                                                                                                      | [components.TypeResponseOutputItemAdded](../components/typeresponseoutputitemadded.md)                                                                                      | :heavy_check_mark:                                                                                                                                                          | N/A                                                                                                                                                                         |                                                                                                                                                                             |
| `output_index`                                                                                                                                                              | *float*                                                                                                                                                                     | :heavy_check_mark:                                                                                                                                                          | N/A                                                                                                                                                                         |                                                                                                                                                                             |
| `item`                                                                                                                                                                      | [components.ResponsesOutputItem](../components/responsesoutputitem.md)                                                                                                      | :heavy_check_mark:                                                                                                                                                          | An output item from the response                                                                                                                                            | {<br/>"id": "msg-abc123",<br/>"role": "assistant",<br/>"type": "message",<br/>"status": "completed",<br/>"content": [<br/>{<br/>"type": "output_text",<br/>"text": "Hello! How can I help you today?"<br/>}<br/>]<br/>} |
| `sequence_number`                                                                                                                                                           | *float*                                                                                                                                                                     | :heavy_check_mark:                                                                                                                                                          | N/A                                                                                                                                                                         |                                                                                                                                                                             |