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# ContextWindowsManual - ComfyUI Built-in Node Documentation

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

The Context Windows (Manual) node allows you to manually configure context windows for models during sampling. It creates overlapping context segments with specified length, overlap, and scheduling patterns to process data in manageable chunks while maintaining continuity between segments. This node provides advanced options for controlling how context windows are applied, including noise shuffling, conditioning retention, and causal window fixes.

## Inputs

| Parameter                | Data Type | Required | Range                                                                          | Description                                                                                                                                                                   |
| ------------------------ | --------- | -------- | ------------------------------------------------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `model`                  | MODEL     | Yes      | -                                                                              | The model to apply context windows to during sampling.                                                                                                                        |
| `context_length`         | INT       | No       | 1+                                                                             | The length of the context window (default: 16).                                                                                                                               |
| `context_overlap`        | INT       | No       | 0+                                                                             | The overlap of the context window (default: 4).                                                                                                                               |
| `context_schedule`       | COMBO     | No       | `STATIC_STANDARD`<br />`UNIFORM_STANDARD`<br />`UNIFORM_LOOPED`<br />`BATCHED` | The stride of the context window.                                                                                                                                             |
| `context_stride`         | INT       | No       | 1+                                                                             | The stride of the context window; only applicable to uniform schedules (default: 1).                                                                                          |
| `closed_loop`            | BOOLEAN   | No       | -                                                                              | Whether to close the context window loop; only applicable to looped schedules (default: False).                                                                               |
| `fuse_method`            | COMBO     | No       | `PYRAMID`<br />`LIST_STATIC`                                                   | The method to use to fuse the context windows (default: PYRAMID).                                                                                                             |
| `dim`                    | INT       | No       | 0-5                                                                            | The dimension to apply the context windows to (default: 0).                                                                                                                   |
| `freenoise`              | BOOLEAN   | No       | -                                                                              | Whether to apply FreeNoise noise shuffling, improves window blending (default: False).                                                                                        |
| `cond_retain_index_list` | STRING    | No       | -                                                                              | List of latent indices to retain in the conditioning tensors for each window, for example setting this to '0' will use the initial start image for each window (default: ""). |
| `split_conds_to_windows` | BOOLEAN   | No       | -                                                                              | Whether to split multiple conditionings (created by ConditionCombine) to each window based on region index (default: False).                                                  |
| `causal_window_fix`      | BOOLEAN   | No       | -                                                                              | Whether to add a causal fix frame to non-0-indexed context windows (default: True).                                                                                           |

**Parameter Constraints:**

* `context_stride` is only used when uniform schedules are selected
* `closed_loop` is only applicable to looped schedules
* `dim` must be between 0 and 5 inclusive
* `cond_retain_index_list` expects a comma-separated list of integer indices as a string (e.g., "0,1,2")

## Outputs

| Output Name | Data Type | Description                                             |
| ----------- | --------- | ------------------------------------------------------- |
| `model`     | MODEL     | The model with context windows applied during sampling. |

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