public function manageEditColumns($columns)
    {
        // Get current post type
        $current = Request::get('post_type');

        // check post type
        if (empty($current)) {
            return $columns;
        }

        /**
         * Filter the column headers for a list table on a specific screen.
         *
         * The dynamic portion of the hook name, `$current`, refers to the
         * post type of the current edit screen ID.
         *
         * @var string $current
         * @param array $columns
         * @return array $columns
         */
        return apply_filters('ol_zeus_posttypehook_manage_edit-'.$current.'_columns', $columns);
    }