---
title: "ImageGenCallPartialImageEvent"
---

Image generation call with partial image


## Fields

| Field                                                                                              | Type                                                                                               | Required                                                                                           | Description                                                                                        |
| -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- | -------------------------------------------------------------------------------------------------- |
| `item_id`                                                                                          | *str*                                                                                              | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `output_index`                                                                                     | *int*                                                                                              | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `partial_image_b64`                                                                                | *str*                                                                                              | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `partial_image_index`                                                                              | *int*                                                                                              | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `sequence_number`                                                                                  | *int*                                                                                              | :heavy_check_mark:                                                                                 | N/A                                                                                                |
| `type`                                                                                             | [components.ImageGenCallPartialImageEventType](../components/imagegencallpartialimageeventtype.mdx) | :heavy_check_mark:                                                                                 | N/A                                                                                                |