//custom function to override default sort by category function custom_default_catalog_orderby() { //choose categories where default sorting will be changed if (is_product_category( array( 'Design Your Own Drinkware' ))) { return 'date'; // sort by latest }else{ return 'newest'; // sort by newest as the default } // end if statement } //end function add_filter( 'woocommerce_default_catalog_orderby', 'custom_default_catalog_orderby' ); //add the filter