diff --git a/classes/PHPixie/Validate/Ruleset.php b/classes/PHPixie/Validate/Ruleset.php
index 5bf2c2f..7d14556 100644
--- a/classes/PHPixie/Validate/Ruleset.php
+++ b/classes/PHPixie/Validate/Ruleset.php
@@ -237,4 +237,15 @@ public function rule_same_as($val,$target_field, $validator) {
 		return $val == $validator->get($target_field);
 	}
 	
-}
\ No newline at end of file
+	
+        /**
+         * Allow add custom rule with lambda functions
+         * @param string $val
+         * @param function $fun
+         * @return mixed
+         */
+        protected function rule_custom($val, $fun) {
+            return $fun($val);
+        }
+	
+}