> For the complete documentation index, see [llms.txt](https://astro-rpa.gitbook.io/astro-rpa-user-guide/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://astro-rpa.gitbook.io/astro-rpa-user-guide/g_elements/el_basic/els_desktop/el_desktop_startapp.md).

# Start application

![](https://gblobscdn.gitbook.com/assets%2F-M-L9CGkriEo1_2PfJzA%2F-M5fGdItHUKUM5reQNKN%2F-M5fPY15vdZHeh6x3_p8%2F%D0%A0%D0%B0%D0%B1%D0%BE%D1%87%D0%B8%D0%B9_%D1%81%D1%82%D0%BE%D0%BB_%D0%B7%D0%B0%D0%BF%D1%83%D1%81%D1%82%D0%B8%D1%82%D1%8C_%D0%BF%D1%80%D0%B8%D0%BB%D0%BE%D0%B6_%D0%B8%D0%BA%D0%BE%D0%BD%D0%BA%D0%B0.png?alt=media\&token=5e2f0484-10ff-401b-bc0a-9739cdbf0a33)

Element that starts new application process

![](/files/r98ObwJ4YStodc0maouh)

Properties

\- Automation type: Desktop application automation type

\- Application\*: \[String] Application name

\- Arguments: \[String] Startup arguments

\- Work directory: \[String] Path to process work directory

\- Wait start: Wait for application to start

\- Variable: \[System.Diagnostics.Process] Variable to store new process reference

```
C#
LTools.Desktop.DesktopApp.Start(wf, "calc", null, @"c:\", LTools.Desktop.Model.DesktopTypes.UIAUTOMATION, true);

Python
LTools.Desktop.DesktopApp.Start(wf, "calc", None, "c:\\", LTools.Desktop.Model.DesktopTypes.UIAUTOMATION, True)

JavaScript
_lib.LTools.Desktop.DesktopApp.Start(wf, "calc", null, "c:\\", _lib.LTools.Desktop.Model.DesktopTypes.UIAUTOMATION, true);
```