/schemas/apps/megaphone-applet/prefs/contact_id /apps/megaphone-applet/prefs/contact_id megaphone string The contact to display in the applet. Empty means no contact is displayed. /schemas/apps/megaphone-applet/prefs/avatar_token /apps/megaphone-applet/prefs/avatar_token megaphone string The contact's avatar token. Empty means contact has no avatar.