filteropen

[starting from version: 2.3]

It is triggered when the filter pop-up window is opened.

Data passed to the handler

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.

flexmonster.on('filteropen', function (params) {
  alert('The filter is opened!');
});

Open the example on JSFiddle.