…But how do you add the application to the Favorites menu that is not in the list of installed applications, such as the Trashcan application? If you search for it, you will not find it in the list of installed applications.

In this article we will learn how to work around this problem and how to add the Trashcan to the Activities panel in the Debian system. We will create a script to add the trash can to the list of applications and then add it to your favorites.

Source: Add Trash Can to Activities Panel in GNOME Desktop – VITUX