diff --git a/src/Xavrsl/Cas/Sso.php b/src/Xavrsl/Cas/Sso.php
index 870cd61..e1e1ce1 100644
--- a/src/Xavrsl/Cas/Sso.php
+++ b/src/Xavrsl/Cas/Sso.php
@@ -132,7 +132,7 @@ public function authenticate()
     }
 
     /**
-     * Checks to see is user is authenticated
+     * Checks to see if user is authenticated
      *
      * @return bool
      */
@@ -140,6 +140,16 @@ public function isAuthenticated()
     {
         return phpCAS::isAuthenticated();
     }
+    
+    /**
+     * Checks to see if user is authenticated using CAS protocol "gateway" feature
+     *
+     * @return bool
+     */
+    public function checkAuthentication()
+    {
+        return phpCAS::checkAuthentication();
+    }
 
 
     /**