How to add custom logout function and custom redirect after logout in wordpress

<!--?php add_filter( 'logout_url', 'rj_custom_logout_url', 10, 2 );add_action( 'init', 'rj_custom_logout_action' );function rj_custom_logout_url($logout_url, $redirect){    $url =  add_query_arg( 'action', 'wlt_logout', home_url( '/' ) );$url  = wp_nonce_url($url,'wlt_logout','_nonce');    if ( ! empty ( $redirect ) )        $url = add_query_arg( 'redirect', $redirect, $url );     return $url;} function rj_custom_logout_action(){    global $wpdb;    if(isset($_REQUEST['_nonce']) && wp_verify_nonce($_REQUEST['_nonce'],'wlt_logout'))    {         wp_logout();        $loc = isset ( $_REQUEST['redirect'] ) ? $_REQUEST['redirect'] : home_url( '/' );                wp_redirect($loc);       exit();    }}?-->