# Binding a global variable to a widget

You can bind a global variable to a widget to control or display the global variable via the visualisation.

1. Prerequisite
2. Create a global variable with appropriate data type.

1. Start editing the real-time application.
2. In the menu bar, click Visualisation.
3. On the drawing area, select the widget you want to bind to a global variable.
4. In the Properties, click DATA.
5. In the Data binding list box, select the global variable you want to bind to the widget.

Creating a global variable