# On Variable Change

## Overview

![The On Variable Change Node.](https://3875032344-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2FSX7w874Eg6ode1ivk0ZM%2Fuploads%2Fgit-blob-9ed721b214f3c26f97d880671777050c6b1ca8bf%2Fnode-on-variable-change.png?alt=media)

**On Variable Change** is an **Event Listener Node** used for executing a **Logic Branch** when the value of the corresponding **Variable** changes.

## Outputs

| Output             | Type                                | Description                                                                                                                            |
| ------------------ | ----------------------------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| *Pulse Output* (►) | **Pulse**                           | A standard **Output Pulse**, to move onto the next **Node** along the **Logic Branch**, once this **Node** has finished its execution. |
| `Value`            | ***Data Type** of the **Variable*** | The new value of the **Variable**.                                                                                                     |

## See Also

* [**Variables**](https://docs.incari.com/incari-studio/2021.4/toolbox/events/variables)
