---
title: "ImageGenTextChunkEvent"
---

Emitted when a text chunk becomes available during streaming generation of text-based formats (e.g. SVG)


## Fields

| Field                                                                                                                                     | Type                                                                                                                                      | Required                                                                                                                                  | Description                                                                                                                               |
| ----------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | ----------------------------------------------------------------------------------------------------------------------------------------- |
| `phase`                                                                                                                                   | [components.ImageGenTextChunkEventPhase](../components/imagegentextchunkeventphase.mdx)                                                    | :heavy_check_mark:                                                                                                                        | The generation phase this chunk belongs to. `content` is the renderable output; `reasoning` and `draft` are intermediate provider phases. |
| `text`                                                                                                                                    | *str*                                                                                                                                     | :heavy_check_mark:                                                                                                                        | A text fragment of the image being generated (e.g. partial SVG markup)                                                                    |
| `type`                                                                                                                                    | [components.ImageGenTextChunkEventType](../components/imagegentextchunkeventtype.mdx)                                                      | :heavy_check_mark:                                                                                                                        | The event type                                                                                                                            |