[AngularJS] Geochart RegionClick

[DEEPAK K N]

I am using google Geochart to plot map graph, firstly i need to plot world 
map and highlight countries and then upon select of country i should plot 
country specific map. regionClick and select are the events for the same 
but not able to get country name.

html

<div class="col-auto mt-2">
<raw-chart *ngIf="!isLoading && !isError" [chartData]="chartData" 
class="w-100" (select)="itemSelected($event)" 
(regionClick)="itemSelected($event)"></raw-chart>
<div class="mt-3" *ngIf="!isLoading && !isError">
<small class="note">Location Performance - based on geography</small>
</div>
</div>
angular :

chartData: any = {
    chartType: 'GeoChart',
    dataTable: [],
    options: {
      colorAxis: {
        colors: [ '#00a1e0' ]
      },
      width: 640, 
      height: 480
    },
    chartArea: {
      left:0,
      top:0,
      bottom:0,
      height:"100%"
    }
options = {
        colorAxis: {
          colors: [ '#00a1e0' ]
        },
        width: 640, 
        height: 480,
        region: 'IN',
        displayMode: 'regions',
        resolution: 'provinces',
      }
  };


itemSelected(evt) {
    if (evt) {
}
}
When click on a specific country , need to get countryCode so hat i 
populate country map. and plot the graph ?

I have hardcoded IN as of now 

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