> ## Documentation Index
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# ConditioningConcat - ComfyUI Built-in Node Documentation

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

The ConditioningConcat node is designed to concatenate conditioning vectors, specifically merging the 'conditioning\_from' vector into the 'conditioning\_to' vector. This operation is fundamental in scenarios where the conditioning information from two sources needs to be combined into a single, unified representation.

## Inputs

| Parameter           | Description                                                                                                                                                                                           | Comfy dtype    |
| ------------------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------- |
| `conditioning_to`   | Represents the primary set of conditioning vectors to which the 'conditioning\_from' vectors will be concatenated. It serves as the base for the concatenation process.                               | `CONDITIONING` |
| `conditioning_from` | Consists of conditioning vectors that are to be concatenated to the 'conditioning\_to' vectors. This parameter allows for additional conditioning information to be integrated into the existing set. | `CONDITIONING` |

## Outputs

| Parameter      | Description                                                                                                                                                | Comfy dtype    |
| -------------- | ---------------------------------------------------------------------------------------------------------------------------------------------------------- | -------------- |
| `conditioning` | The output is a unified set of conditioning vectors, resulting from the concatenation of 'conditioning\_from' vectors into the 'conditioning\_to' vectors. | `CONDITIONING` |

> 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/ConditioningConcat/en.md)