optional parameter in permalink structure
Update You can make use of the add_rewrite_endpoint: add_rewrite_endpoint( ‘schools’, EP_PERMALINK | EP_PAGES ); You can then check in the sidebar for the schools variable: global $wp_query; if ( isset( $wp_query->query_vars[‘schools’] ) ) { // … } What is worth mentioning is that your URL will look like www.example.com/performance/name-of-performance/schools/ instead of having schools immediately after … Read more