The Desktop app tab is divided into two large sections. In the first section there is a list of the desktop apps in the package. In the second section it is possible to select if the Application User Model ID or the shortcut path will be used.
•App user model id: The Application User Model ID (AUMID). This is the identifier for Universal Apps (UWP) installed from the Windows Store.
•Shortcut path: The path to the shortcut for the selected application. The shortcut path can be added by clicking on the Browse [...] button and selecting the shortcut from the browser.