title: How to call typescript function inside High chart click event
body: <p><strong>MyHighChartComponent.ts</strong></p>
  
  <pre><code>export class MyHighChartComponent {
      highchartsConfiguration: any = {
          chart: {
              events: {
                  click(e) {
                      if (!($(event.target)[0].textContent)) {
                          console.log('clicked'); //this is printing
                          this.drillDown(); // how to call typescript function here?
                      }
                  },
              },
          }
      };  
  
      drillDown() {
        console.log('drill down method called');
      }
  }
  </code></pre>
  
  <p>How to call a typescript function from inside high charts click event?</p>
  
  <p>I'm getting below error</p>
  
  <p><strong>Error Stack : TypeError: this.drillDownis not a function</strong></p>