Count the number of eyebrow raises in Snapchat Lens Studio

HighBrowCounter.js

// -----JS CODE-----

var highBrowCount = 0;

/**
 * BrowsRaisedEvent, triggered when the user's brows change to raised.
 * LensStudio does all of this detection for us, we just listen for the event.
 * @param {BrowsRaisedEvent} ev
 */
// Callback for the BrowsRaisedEvent
function onBrowsRaised(ev) {
  print(
    "My, what high brows you have! Brows raised " + (++highBrowCount) + " times."
  );
}

// Binding our callback to the BrowsRaisedEvent
var browsRaisedEvent = script.createEvent("BrowsRaisedEvent");
browsRaisedEvent.bind(onBrowsRaised);