// 1. Register 'Matches' Custom Post Type
function register_match_post_type() {
    register_post_type('match', array(
        'labels' => array(
            'name' => 'Matches',
            'singular_name' => 'Match'
        ),
        'public' => true,
        'has_archive' => true,
        'supports' => array('title', 'custom-fields'),
        'menu_icon' => 'dashicons-awards',
    ));
}
add_action('init', 'register_match_post_type');<br />
<b>Warning</b>:  Cannot modify header information - headers already sent by (output started at /home/kmdneami/public_html/wp-content/themes/match-predict/functions.php:1) in <b>/home/kmdneami/public_html/wp-includes/sitemaps/class-wp-sitemaps-renderer.php</b> on line <b>126</b><br />
<?xml version="1.0" encoding="UTF-8"?>
<?xml-stylesheet type="text/xsl" href="https://fixblogs.com/wp-sitemap-index.xsl" ?>
<sitemapindex xmlns="http://www.sitemaps.org/schemas/sitemap/0.9"><sitemap><loc>https://fixblogs.com/wp-sitemap-posts-post-1.xml</loc></sitemap><sitemap><loc>https://fixblogs.com/wp-sitemap-posts-page-1.xml</loc></sitemap><sitemap><loc>https://fixblogs.com/wp-sitemap-taxonomies-category-1.xml</loc></sitemap><sitemap><loc>https://fixblogs.com/wp-sitemap-users-1.xml</loc></sitemap></sitemapindex>