The page that used to be here was all KDE3 specific information, so I figured it was about time to start a new one.
First some basic terminology just to get us all on the same page. KHotNewStuff2 is the new library that implements the GHNS freedesktop.org specification for downloading and uploading user data. It will also support DXS (Desktop Exchange Service)
There are a many good examples for how to use khotnewstuff2 in the KDE-Edu module. Look at their source code for examples if needed, but it's basically a 2-part process to get download into your app.
One of the following to tell where downloads should go:
And the following values are currently read, though not used yet: