Run Method When Song Is At Certain Time Amplitude 3.3.1

functions.js

Amplitude.init({
  debug: true,
  songs: [
    //Add songs here
  ],

  callbacks: {
    'time_update': function(){
      var currentTime = Amplitude.getSongPlayedSeconds();

      if( currentTime > x ){
        yourMethodForTime();
      }
    }
  }
  });

  function yourMethodForTime(){
    //Do your function!
  }