DrilldownEvent

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Arguments for the drilldown event.

See Drilldown Charts.

Name	Type	Default	Description
currentState	ChartDrilldownState		The current Chart drilldown state.
nextState	ChartDrilldownState		The Chart drilldown state that will apply the current drilldown operation. See Drilldown for an application example.
point	SeriesPointType		The clicked series point.
series	EventSeriesOptions		The clicked point series options.
target	Charts		The Chart component that triggered the event.
value	any		The data point value.