> ## Documentation Index
> Fetch the complete documentation index at: https://openrouter-d02e98a0-mintlify-7021d5f4.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# ImageGenCallPartialImageEvent - Go SDK

> ImageGenCallPartialImageEvent type definition

<Warning>
  The Go SDK and docs are currently in beta.
  Report issues on [GitHub](https://github.com/OpenRouterTeam/go-sdk/issues).
</Warning>

Image generation call with partial image

## Fields

| Field               | Type                                                                                                                   | Required             | Description |
| ------------------- | ---------------------------------------------------------------------------------------------------------------------- | -------------------- | ----------- |
| `ItemID`            | `string`                                                                                                               | :heavy\_check\_mark: | N/A         |
| `OutputIndex`       | `int64`                                                                                                                | :heavy\_check\_mark: | N/A         |
| `PartialImageB64`   | `string`                                                                                                               | :heavy\_check\_mark: | N/A         |
| `PartialImageIndex` | `int64`                                                                                                                | :heavy\_check\_mark: | N/A         |
| `SequenceNumber`    | `int64`                                                                                                                | :heavy\_check\_mark: | N/A         |
| `Type`              | [components.ImageGenCallPartialImageEventType](/client-sdks/go/api-reference/models/imagegencallpartialimageeventtype) | :heavy\_check\_mark: | N/A         |