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# ExponentialScheduler - ComfyUI Built-in Node Documentation

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

The `ExponentialScheduler` node is designed to generate a sequence of sigma values following an exponential schedule for diffusion sampling processes. It provides a customizable approach to control the noise levels applied at each step of the diffusion process, allowing for fine-tuning of the sampling behavior.

## Inputs

| Parameter   | Description                                                                                                                                                                     | Data Type |
| ----------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------- |
| `steps`     | Specifies the number of steps in the diffusion process. It influences the length of the generated sigma sequence and thus the granularity of the noise application.             | INT       |
| `sigma_max` | Defines the maximum sigma value, setting the upper limit of noise intensity in the diffusion process. It plays a crucial role in determining the range of noise levels applied. | FLOAT     |
| `sigma_min` | Sets the minimum sigma value, establishing the lower boundary of noise intensity. This parameter helps in fine-tuning the starting point of the noise application.              | FLOAT     |

## Outputs

| Parameter | Description                                                                                                                                                          | Data Type |
| --------- | -------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------- |
| `sigmas`  | A sequence of sigma values generated according to the exponential schedule. These values are used to control the noise levels at each step of the diffusion process. | SIGMAS    |

> 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/ExponentialScheduler/en.md)