> ## 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.

# MiniMaxH3FunControlNetApply - ComfyUI Built-in Node Documentation

> This node applies a MiniMax H3 Fun ControlNet to a text-to-video model as a model patch.

This node applies a MiniMax H3 Fun ControlNet to a text-to-video model as a model patch. It can use an optional control video and an optional mask to steer generation, and it returns a patched copy of the model for further sampling. When the strength is set to 0, or when neither a control video nor a mask is provided, the input model is returned unchanged.

## Inputs

| Parameter       | Description                                                                                                                                                                                      | Data Type    | Required | Range                        |
| --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ | ------------ | -------- | ---------------------------- |
| `model`         | The diffusion model to which the MiniMax H3 Fun ControlNet patch is applied.                                                                                                                     | MODEL        | Yes      | N/A                          |
| `model_patch`   | The MiniMax H3 Fun ControlNet patch whose control signals are injected into the model; it must be compatible with the given `model`.                                                             | MODEL\_PATCH | Yes      | N/A                          |
| `vae`           | VAE used to encode the control and source video frames into the latent space expected by the model.                                                                                              | VAE          | Yes      | N/A                          |
| `strength`      | Overall strength of the ControlNet effect. When set to 0, the node does nothing and returns the input model unchanged. (default: 1.0)                                                            | FLOAT        | Yes      | min 0.0, max 10.0, step 0.01 |
| `start_percent` | Start of the sampling range, expressed as a percentage of the sampling schedule, during which the ControlNet is active. It is converted internally to the equivalent sigma value. (default: 0.0) | FLOAT        | Yes      | min 0.0, max 1.0, step 0.001 |
| `end_percent`   | End of the sampling range, expressed as a percentage of the sampling schedule, during which the ControlNet is active. It is converted internally to the equivalent sigma value. (default: 1.0)   | FLOAT        | Yes      | min 0.0, max 1.0, step 0.001 |
| `control_video` | Optional video frames used as the ControlNet visual hint. The frames are resized to match the generated video and encoded with the `vae`.                                                        | IMAGE        | No       | N/A                          |
| `mask`          | 1 marks the regions to regenerate. Mask values above 0.5 are treated as marked regions.                                                                                                          | MASK         | No       | N/A                          |
| `source_video`  | Video behind the mask; only read when a mask is given.                                                                                                                                           | IMAGE        | No       | N/A                          |

Note: For the patch to have an effect, `strength` must be greater than 0 and at least one of `control_video` or `mask` must be supplied. `source_video` is ignored unless `mask` is provided; if `mask` is given without `source_video`, the content behind the masked regions is treated as black.

## Outputs

| Output Name | Description                                                                                                                                                                           | Data Type |
| ----------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------- |
| `model`     | A patched clone of the input model with the MiniMax H3 Fun ControlNet applied. If `strength` is 0, or no control video or mask is supplied, the original model is returned unchanged. | MODEL     |

> 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/MiniMaxH3FunControlNetApply/en.md)

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