Invoice update accepting different types

@@ -1072,7 +1072,8 @@ class Actions {
           , 'institute' => isset($postarray['institution']) ? $postarray['institution'] : ""
           , 'hours'     => $postarray['hours']
           , 'attended'  => isset($postarray['attended']) ? "yes" : "no"
-          , 'event_id'  => "0"
+          , 'post_type' => "event"
+          , 'post_id'   => '0'
           , 'recorded'  => time()
         );