VizFrame Challenging

Hi all,

I have a code below in VIZFrame which have Bullet Chart and works FINE.

BUT i want to set OPACITY or TRANSPARENCY for one of the Data Context : Profit. How to do this ?

my code is below

vizFrame.setVizProperties({                                                            plotArea: {                            gridline:{                                                                      size: 2,                                       visible: true                                                                       },                            primaryScale:{fixedRange: false, maxValue:20, minValue:0},       dataPointStyle : {               "rules": [{                    "dataContext" : [{ "profit" : { "min" : 5 } }],                    "properties"  : { "color" : "#fafafa" },                    "displayName" : "Revenue > 450k"               }, {                    "dataContext" : [{ "profit" : { "max" : 1 } }],                    "properties"  : { "color" : "#00ff00" },                    "displayName" : "Revenue < 140k"               }]},                          }                    });

Thank you