# Global Variable Changed Trigger

> `UiPath.Core.Activities.GlobalVariableChangedTrigger`

`UiPath.Core.Activities.GlobalVariableChangedTrigger`

The Global Variable Changed Trigger activity is triggered 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.

## Properties Panel

* **Enabled** - Switch to enable or disable the trigger.
* **Scheduling Mode** - Configures the way the trigger starts. The available options are:
  + Sequential
  + Concurrent
  + OneTime
  + SequentialCollapse
  + SequentialDrop
* **Trigger ID** - The unique identifier of the trigger.