Official comment
If you are using a controller (DDJ or general MIDI), you can map that function, but there is no keyboard shortcut.
Comment actions
Is there a short cut in loading/ unloading samples other than using mouse to drag and drop
If you are using a controller (DDJ or general MIDI), you can map that function, but there is no keyboard shortcut.
Post is closed for comments.
No, sorry.
Yes I Do have DDJ-RZ but was not able to find that midi command in the list

It's built-in!