Hi , 
  
      When I try to get the chart data(getDataAsCSV()) of the bubble chart ,I am seeing labels as x,y,z but I want the labels to be the <xAxisName>,<yAxisName>,<zAxisName>. 
How can I get the csv data as I required. 
  
Below mentioned is the sample chart data of the  bubble chart 
  
"Series","x","y","z" 
"","0","10","11" 
"","0","0","6" 
"","0","0","3" 
"","7.14","7.14","15"