message: Getter for the underlying event header
diff: @@ -26,6 +26,7 @@ class AliVertexGenFile: public AliVertexGenerator {
  virtual TVector3 GetVertex();
  time_t GetHeaderTimeStamp() const;
  Float_t GetLastVertexTime() const {return fLastTime;}
  + const AliHeader* GetHeader() const {return fHeader;}
  private:
  AliVertexGenFile(const AliVertexGenFile &vgf);
  