[starting from version: 2.3]
It is triggered when the filter pop-up window is opened.
| Parameter/Type | Description |
|---|---|
| params Object | Contains information about the event. |
| params.hierarchy ResultHierarchyObject | Describes the field for which the filter pop-up window was opened. |
pivot.on('filteropen', function (params) {
alert('The filter is opened!');
});
Open the example on JSFiddle.