Add event handler on pathfield widget on dialog AEM6.3

Hey Guys,

I have been trying to capture select event on pathfield on TouchUI dialog, to populate next widget(textfield) based on the value selected in pathfield.

I tried with adding class attribute on pathfield , and capturing the event on('change:value').

I think this works well for with 'select' widget (dropdown) and for pathfiel its does not seems working.

    var ASSET_PATH_CLASS = ".cq-dialog-asset-path";

    $( document ).on("foundation-contentloaded", function(e) {

        $( ASSET_PATH_CLASS ).on('change:value', function(event, payload) {

    var $form =  el.closest("form.foundation-form");

            var $selected = $form.find(ASSET_PATH_CLASS);

          getJsonData($selected.val(), $form);

        });

    });

Can you correct me if I'm trying to capture correct event.?Or if anybody has implemented event on pathfield in granite.