SomeView = Backbone.View.extend({

  events: {
    "click .next": "nextClicked",
    "click .previous": "previousClicked"
  },

  nextClicked: function(e){
    e.preventDefault();
    this.trigger("next")
  },

  previousClicked: function(e){
    e.preventDefault();
    this.trigger("previous");
  }

});