> ## Documentation Index
> Fetch the complete documentation index at: https://docs.comfy.org/llms.txt
> Use this file to discover all available pages before exploring further.

# LumaReferenceNode - ComfyUI Built-in Node Documentation

> Complete documentation for the LumaReferenceNode 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/LumaReferenceNode/en.md)

This node holds an image and weight value for use with the Luma Generate Image node. It creates a reference chain that can be passed to other Luma nodes to influence image generation. The node can either start a new reference chain or add to an existing one.

## Inputs

| Parameter  | Data Type | Required | Range     | Description                                       |
| ---------- | --------- | -------- | --------- | ------------------------------------------------- |
| `image`    | IMAGE     | Yes      | -         | Image to use as reference.                        |
| `weight`   | FLOAT     | Yes      | 0.0 - 1.0 | Weight of image reference (default: 1.0).         |
| `luma_ref` | LUMA\_REF | No       | -         | Optional existing Luma reference chain to add to. |

## Outputs

| Output Name | Data Type | Description                                               |
| ----------- | --------- | --------------------------------------------------------- |
| `luma_ref`  | LUMA\_REF | The Luma reference chain containing the image and weight. |