Handle selection event in series chart nativescript-ui-pro



hello every one
I am using add a selection behaviour on bar chart It work’s but accordint to the documentation we have some events that initlize on specific modes
How can i use these event ? how to catch those event?
hear is the documentation

<LineSeries tkCartesianSeries selectionMode="Series" showLabels="true" seriesName="Line" [items]="categoricalSource" stackMode="Stack"
    categoryProperty="Country" valueProperty="Amount"></LineSeries>