PROTO conversation [ ## "@vr-extern-conversation.wrl"
  
  exposedField SFInt32 switch 0
  exposedField SFColor color 0 0 1
  exposedField SFFloat transparency 0
  exposedField SFNode  node NULL
  exposedField SFTime cycle 1
  
  exposedField SFVec3f translation 0 0 0 
  exposedField SFVec3f scale 1 1 1
  exposedField SFRotation rotation 0 0 1 0
  
  exposedField MFNode children NULL
  eventIn MFNode addChildren
  eventIn MFNode removeChildren
  
  exposedField MFString scene ["@vr-box.wrl"]
  
  exposedField SFBool reverse TRUE
  
  exposedField SFNode p1 NULL
  exposedField SFNode p2 NULL
  
  exposedField SFNode b1 USE b1
  exposedField SFNode b2 USE b2
  
  exposedField SFTime speed 3
  
  
  exposedField SFInt32 round 0
  exposedField SFInt32 delay 3
  exposedField SFBool enabled FALSE
  exposedField SFBool ready FALSE
  ]{
  DEF root Group {
  children [
  Transform {
  translation IS translation
  scale IS scale
  rotation IS rotation
  children [
  
     Group {
     children IS children
     addChildren IS addChildren
     removeChildren IS removeChildren
     }
  
  DEF touch TouchSensor { }
  
  Switch {
  whichChoice IS switch
  choice [
     object { 
          color  IS color
          transparency IS transparency
          node IS node
          cycle IS cycle
          }
  
  ]
  }
  Inline { url IS scene }
  
  ] }
  ]}