> ## Documentation Index
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> Use this file to discover all available pages before exploring further.

# Veo3VideoGenerationNode - ComfyUI Built-in Node Documentation

> Complete documentation for the Veo3VideoGenerationNode node in ComfyUI. Learn its inputs, outputs, parameters and usage.

> This documentation was AI-generated. If you find any errors or have suggestions for improvement, please feel free to contribute! [Edit on GitHub](https://github.com/Comfy-Org/embedded-docs/blob/main/comfyui_embedded_docs/docs/Veo3VideoGenerationNode/en.md)

Generates videos from text prompts using Google's Veo 3 API. This node supports two Veo 3 models: veo-3.0-generate-001 and veo-3.0-fast-generate-001. It extends the base Veo node with Veo 3 specific features including audio generation and a fixed 8-second duration.

## Inputs

| Parameter           | Data Type | Required | Range                                                   | Description                                                                          |
| ------------------- | --------- | -------- | ------------------------------------------------------- | ------------------------------------------------------------------------------------ |
| `prompt`            | STRING    | Yes      | -                                                       | Text description of the video (default: "")                                          |
| `aspect_ratio`      | COMBO     | Yes      | "16:9"<br />"9:16"                                      | Aspect ratio of the output video (default: "16:9")                                   |
| `negative_prompt`   | STRING    | No       | -                                                       | Negative text prompt to guide what to avoid in the video (default: "")               |
| `duration_seconds`  | INT       | No       | 8-8                                                     | Duration of the output video in seconds (Veo 3 only supports 8 seconds) (default: 8) |
| `enhance_prompt`    | BOOLEAN   | No       | -                                                       | Whether to enhance the prompt with AI assistance (default: True)                     |
| `person_generation` | COMBO     | No       | "ALLOW"<br />"BLOCK"                                    | Whether to allow generating people in the video (default: "ALLOW")                   |
| `seed`              | INT       | No       | 0-4294967295                                            | Seed for video generation (0 for random) (default: 0)                                |
| `image`             | IMAGE     | No       | -                                                       | Optional reference image to guide video generation                                   |
| `model`             | COMBO     | No       | "veo-3.0-generate-001"<br />"veo-3.0-fast-generate-001" | Veo 3 model to use for video generation (default: "veo-3.0-generate-001")            |
| `generate_audio`    | BOOLEAN   | No       | -                                                       | Generate audio for the video. Supported by all Veo 3 models. (default: False)        |

**Note:** The `duration_seconds` parameter is fixed at 8 seconds for all Veo 3 models and cannot be changed.

## Outputs

| Output Name | Data Type | Description              |
| ----------- | --------- | ------------------------ |
| `output`    | VIDEO     | The generated video file |