ENTRY OnGraphValueClick(IN INT _refId, IN INT _LineNr, IN FLOAT _value, IN INT _mouseBtn)
 ; script action
 END OnGraphValueClick 

 ENTRY XXX_OnGraphValueClick(IN INT _LineNr, IN FLOAT _value, IN INT _mouseBtn)
 ; script action
 END XXX_OnGraphValueClick 

 ; picture event handler: clicking on value of graphic flow
 ; of Graph type, to which the reference variable _GRAPH is assigned
 ENTRY GRAPH_OnGraphValueClick(IN INT _LineNr,IN FLOAT _value, IN INT _mouseBtn)
   ; script action
 END GRAPH_OnGraphValueClick 

 ; picture event handler: clicking on value of graphic flow in displayer of Graph type, that has no special picture event handler defined
 ENTRY OnGraphValueClick(IN INT _refId, IN INT _LineNr, IN FLOAT _value, IN INT _mouseBtn)
 ; _refId - value of reference local variable of picture,
 ; that is assigned to graphic object
   IF _refId = _GRAPH THEN ; test that checks the displayer where the picture event occurred
    ; script actions
   ENDIF
 END OnGraphValueClick