> ## Documentation Index
> Fetch the complete documentation index at: https://dripart-feat-openapi-i18n.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# HappyHorseReferenceVideoApi - ComfyUI Built-in Node Documentation

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

This node generates a video featuring a person or object from reference images using the HappyHorse model. It supports creating videos with single-character performances and multi-character interactions.

## Inputs

| Parameter          | Description                                                                                                              | Data Type | Required | Range                                                         |
| ------------------ | ------------------------------------------------------------------------------------------------------------------------ | --------- | -------- | ------------------------------------------------------------- |
| `model`            | The HappyHorse model to use for video generation.                                                                        | COMBO     | Yes      | `"happyhorse-1.0-r2v"`                                        |
| `prompt`           | Prompt describing the video. Use identifiers such as 'character1' and 'character2' to refer to the reference characters. | STRING    | Yes      | N/A                                                           |
| `resolution`       | The resolution of the generated video.                                                                                   | COMBO     | Yes      | `"720P"`<br />`"1080P"`                                       |
| `ratio`            | The aspect ratio of the generated video.                                                                                 | COMBO     | Yes      | `"16:9"`<br />`"9:16"`<br />`"1:1"`<br />`"4:3"`<br />`"3:4"` |
| `duration`         | The duration of the generated video in seconds (default: 5).                                                             | INT       | Yes      | 3 to 15                                                       |
| `reference_images` | One or more reference images of the person or object to feature in the video. At least one image must be provided.       | IMAGE     | Yes      | 1 to 9                                                        |
| `seed`             | Seed to use for generation (default: 0). Can be set to automatically change after each generation.                       | INT       | No       | 0 to 2147483647                                               |
| `watermark`        | Whether to add an AI-generated watermark to the result (default: False).                                                 | BOOLEAN   | No       | True or False                                                 |

## Outputs

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

> 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/HappyHorseReferenceVideoApi/en.md)

***

**Source fingerprint (SHA-256):** `61e22c2424191b59b3c6f6be1917e47d26436eba5360c1e173b59b4de40216f2`
