// header menu items
    this.getMainMenuItems = function getMainMenuItems(params) {
      if (params.column.getId() !== 'actions') {
        // const menuItems = [];
        const menuItems = [
          {
            name: 'Sort ASC',
            action: function() {
              console.log('asc');
            }
          },
          {
            name: 'Sort DESC',
            action: function() {
              console.log('desc');
            }
          },
        ];

        return menuItems;
      }

      return params.defaultItems;
    };