> For the complete documentation index, see [llms.txt](https://zendevx.gitbook.io/docs/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://zendevx.gitbook.io/docs/session-variables.md).

# 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.

![](/files/-M__FLXXlY74yk654X0U)

  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.