upgrade

main/inc/lib/hook/interfaces/HookLearningPathItemViewedObserverInterface.php

@@ -0,0 +1,15 @@
+<?php
+/* For licensing terms, see /license.txt */
+
+/**
+ * Interface HookLearningPathItemViewedObserverInterface.
+ */
+interface HookLearningPathItemViewedObserverInterface extends HookObserverInterface
+{
+    /**
+     * @param \HookLearningPathItemViewedEventInterface $event
+     *
+     * @return mixed
+     */
+    public function hookLearningPathItemViewed(HookLearningPathItemViewedEventInterface $event);
+}