In this video you will learn how to create drag and drop in your GNOME extension.

Download the source code:
https://gitlab.com/justperfection.channel/how-to-create-a-gnome-shell-extension/

Move container instead of dropping in other elements:
https://gitlab.gnome.org/justperfection.channel/gnome-shell-extension-samples/-/tree/master/samples/move-container@example.com

Other Examples:
https://gitlab.gnome.org/justperfection.channel/gnome-shell-extension-samples

Textual Documentation for this Tutorial Series:
https://gitlab.com/justperfection.channel/how-to-create-a-gnome-extension-documentation