function ($scope, cdaAnalytics) {
$scope.onButtonClick = function() {

// track event using the default tracker (no argument for getTracker)
cdaAnalytics.getTracker() .then(function(tracker) {
tracker.trackEvent(
'{Desired Category}',
'{Desired Action}',
'{Desired Name}'
);
});

// track event using specific tracker
cdaAnalytics.getTracker ('Human Resources Portal Tracker').then(function (tracker) {
tracker.trackEvent(
'Human Resources',
'Video Viewed',
'Open Enrollment 2018'
);
});
};
}