EXTERNPROTO conversation [ 
  
  exposedField MFString scene 
  
  exposedField SFVec3f translation 
  exposedField SFRotation rotation 
  exposedField SFVec3f scale 
  exposedField MFNode children
  eventIn MFNode addChildren
  eventIn MFNode removeChildren
  
  
  
  
  exposedField SFInt32 switch
  
  exposedField SFColor color 
  exposedField SFFloat transparency 
  exposedField SFNode  node 
  exposedField SFTime cycle 
  
  exposedField SFBool reverse ## added later
  
  
  
    
  exposedField SFNode p1 
  exposedField SFNode p2 
    
  exposedField SFNode b1 
  exposedField SFNode b2 
    
  exposedField SFTime speed 
    
  
  exposedField SFInt32 round 
  exposedField SFInt32 delay 
  exposedField SFBool enabled 
  ][ "@vr-proto-conversation.wrl#conversation" ]