PROTO bulb [ ## "vr-extern-bulb.wrl"
  eventIn MFString message 
  exposedField MFString string [] 
  exposedField SFVec3f translation 0 0 0 
  exposedField SFRotation rotation 0 0 1 0
  exposedField SFVec3f scale 1 1 1
  exposedField SFInt32 type 0
  exposedField SFColor color 1 1 0
  exposedField SFColor text 1 1 1
  exposedField SFFloat transparency 0.7
  exposedField SFVec3f text_scale 1 1 1 
  exposedField SFVec3f text_translation 0 0 0 
  exposedField SFRotation text_rotation 0 0 1 0
  exposedField MFString background []
  eventOut MFString message_changed
  ]{