diff --git a/src/Sitemap/CustomSitemap.php b/src/Sitemap/CustomSitemap.php
index 16639d60..db389e8d 100644
--- a/src/Sitemap/CustomSitemap.php
+++ b/src/Sitemap/CustomSitemap.php
@@ -6,6 +6,8 @@
 
 class CustomSitemap extends BaseSitemap
 {
+    protected Collection $urls;
+
     public function __construct(protected string $handle)
     {
         $this->urls = collect();
diff --git a/src/Sitemap/CustomSitemapUrl.php b/src/Sitemap/CustomSitemapUrl.php
index cf380a38..84e2176e 100644
--- a/src/Sitemap/CustomSitemapUrl.php
+++ b/src/Sitemap/CustomSitemapUrl.php
@@ -11,7 +11,16 @@ class CustomSitemapUrl extends BaseSitemapUrl
 {
     use FluentlyGetsAndSets;
 
-    public function __construct(protected string $loc) {}
+    public function __construct(
+        protected string $loc,
+        protected ?string $alternates = null,
+        protected ?string $lastmod = null,
+        protected ?string $changefreq = null,
+        protected ?string $priority = null,
+        protected ?string $site = null,
+    )
+    {
+    }
 
     public function loc(?string $loc = null): string|self
     {