Event {
    eventIn  SFBool     cancelBubble
    eventIn  SFBool     returnValue
  
    eventOut SFString   type 
    eventOut SFVec2f    screen
    eventOut SFVec2f    client
    eventOut SFVec2f    position
    eventOut SFVec3f    xyz 
    eventOut SFVec3f    ypr
    eventOut SFBool     altKey
    eventOut SFBool     ctrlKey
    eventOut SFBool     shiftKey
    eventOut SFInt32    keyCode
    eventOut SFString   dataType
    eventOut SFString   data
    eventOut SFInt32    button
  }