[.desktop] What does `X-Plasma-API=declarativeappletscript` actually entail?



What Is a Declarative Plasmoid?

To denote that this Plasmoid is a Declarative widget, ensure that in the metadata.desktop file there is this line:


What follows is a description of the Plasma declarative classes instantiable from QML.

but what does this actually mean for me, the developer of a Plasmoid? I’m rather new to QML.