whut.js

(function($){
  $(document).ready(function(){
    
    // This runs on ready function
    // Add Copy+Pasta here
    
    // assuming whut class is added to button group and we want the 2nd button
    // if 3 buttons it would be 0,1,2 so we want child 1
    $('.whut').find('a').children().eq(1)
      .on('click',function(e){
      e.preventDefault();
      
      // this is where you add your trigger.
      // $(document).trigger('whatever');
      console.log('clicked');
    });
    
  });
})(jQuery);