diff --git a/oauth3.domains.js b/oauth3.domains.js
index 2b5b0b0..ce72f40 100644
--- a/oauth3.domains.js
+++ b/oauth3.domains.js
@@ -45,6 +45,22 @@ OAUTH3.api['domains.list'] = function (providerUri, opts) {
   });
 };
 
+/* TODO: Manual Renew Function
+OAUTH3.api['domains.extend'] = function (providerUri, opts) {
+  var session = opts.session;
+
+  return OAUTH3.request({
+    method: 'POST'
+  , url: OAUTH3.url.normalize(providerUri)
+      + '/api/com.daplie.domains/accounts/' + session.token.sub + '/registrations'
+  , session: session
+  , data: opts.data
+  }).then(function (res) {
+    return res;
+  });
+};
+*/
+
 OAUTH3.api['ns.list'] = function (providerUri, opts) {
   var session = opts.session;
   var domain = opts.domain;