title: How can i use double click in Highcharts and get that data
body: <p>how to use double click get the Category, name, y of a line of a line chart?</p>
  
  <p>i tries use customEvents plugin.
  but i don't know get those data in line chart
  in the column chart, i use below code is okay.</p>
  
  <pre><code>series: [{
      name: 'John',
      data: [5, 3, 4, 7, 2],
      point: {
          events: {
              dblclick: function(e) {
                  var c = this.point.category;
                  var y = this.point.options.y;
                  var n = this.point.series.name;
              }
          }
      }
  }
  </code></pre>