These are the files that the .SlackBuild will package

xfce4-iconbox-3.99.3.tar.gz
xfce4-mixer-3.99.3.tar.gz
xfce4-systray-3.99.3.tar.gz
xfce4-toys-3.99.3.tar.gz
xfce4-trigger-launcher-3.99.3.tar.gz