# Notify Global Variable Changed

> `UiPath.Core.Activities.NotifyGlobalVariableChanged`

`UiPath.Core.Activities.NotifyGlobalVariableChanged`

The Notify Global Variable Changed activity is used to notify all subscribers when a specific variable is modified.

## Project Compatibility

**Windows**

## Configuration

* **Select Global Variable** - The variable that is monitored and for which a notification is sent when it's modified.