Notifications from KDED "USB device detected"

Hi,

I am running Debian unstable on both my Notebook and my Desktop. Thanks 
for caring about KDE. It has been my favorite desktop for two decades.

The Notebook puts up notifications form KDED whenever a new USB device 
is detected or an USB device goes away. I find that very helpful.

The Desktop doesn't.

How can I configure this to also happen on the desktop?

Greetings
Marc

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