EXTERNPROTO monitor {
  eventIn MFString message 
  exposedField MFString string 
    
  exposedField SFVec3f scale 
  exposedField SFVec3f translation 
  exposedField SFRotation rotation 
  exposedField SFColor text 
  eventOut MFString message_changed
  ][ "vr-proto-monitor.wrl" ]