Bug 23281 gives pointers to the way that this stuff is implemented... using files like (dpkg -L nautilus-sendto):
/usr/lib/evolution/2.26/plugins/org-gnome-evolution-send-attachments-to.eplug /usr/lib/evolution/2.26/plugins/liborg-gnome-evolution-send-attachments-to.so
Bug 23281 gives pointers to the way that this stuff is implemented... using files like (dpkg -L nautilus-sendto):
/usr/lib/ evolution/ 2.26/plugins/ org-gnome- evolution- send-attachment s-to.eplug evolution/ 2.26/plugins/ liborg- gnome-evolution -send-attachmen ts-to.so
/usr/lib/