diff --git a/src/applications/herald/editor/HeraldRuleEditor.php b/src/applications/herald/editor/HeraldRuleEditor.php
--- a/src/applications/herald/editor/HeraldRuleEditor.php
+++ b/src/applications/herald/editor/HeraldRuleEditor.php
@@ -30,6 +30,12 @@
     return true;
   }
 
+  public function getTransactionTypes() {
+    $types = parent::getTransactionTypes();
+    $types[] = PhabricatorTransactions::TYPE_EDGE;
+    return $types;
+  }
+
   protected function getMailTo(PhabricatorLiskDAO $object) {
     $phids = array();