code: function (/*response*/) {
  
          // do something when collide
          me.audio.play("cling", false);
          // give some score
          game.data.score += 250;
  
          //avoid further collision and delete it
          this.body.setCollisionMask(me.collision.types.NO_OBJECT);
  
          me.game.world.removeChild(this);
  
          return false;
      }
docs: collision handling