# Session Variables

Click on this button to open a dialog in which you can define any session variables that you want to use.

Remember here that all Session Variables defined are accessible across the whole project.

![](https://2445524190-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-M_LKN8sx9rUwRZIqIu7%2F-M__DTRr5EAmmoHXgpDw%2F-M__FLXXlY74yk654X0U%2F05.01_Session_Variables.png?alt=media\&token=59aa8514-985a-432f-8870-4ab52ff283ad)

  In this dialog you will see a few predefined variables. Please do not remove them as they are necessary for proper functioning of web applications generated by ZenDevX Design Studio.