diff --git a/src/applications/conduit/method/maniphest/base/ConduitAPI_maniphest_Method.php b/src/applications/conduit/method/maniphest/base/ConduitAPI_maniphest_Method.php
index 517caae2cb..a3dee43da0 100644
--- a/src/applications/conduit/method/maniphest/base/ConduitAPI_maniphest_Method.php
+++ b/src/applications/conduit/method/maniphest/base/ConduitAPI_maniphest_Method.php
@@ -169,6 +169,18 @@ abstract class ConduitAPI_maniphest_Method extends ConduitAPIMethod {
 
     $editor = new ManiphestTransactionEditor();
     $editor->applyTransactions($task, $transactions);
+
+    $event = new PhabricatorEvent(
+      PhabricatorEventType::TYPE_MANIPHEST_DIDEDITTASK,
+      array(
+        'task'          => $task,
+        'new'           => $is_new,
+        'transactions'  => $transactions,
+      ));
+    $event->setUser($request->getUser());
+    $event->setConduitRequest($request);
+    PhutilEventEngine::dispatchEvent($event);
+
   }
 
   protected function buildTaskInfoDictionaries(array $tasks) {
diff --git a/src/applications/maniphest/controller/taskedit/ManiphestTaskEditController.php b/src/applications/maniphest/controller/taskedit/ManiphestTaskEditController.php
index c07e0a7820..44b1cd84c8 100644
--- a/src/applications/maniphest/controller/taskedit/ManiphestTaskEditController.php
+++ b/src/applications/maniphest/controller/taskedit/ManiphestTaskEditController.php
@@ -214,11 +214,13 @@ final class ManiphestTaskEditController extends ManiphestController {
         }
 
         if ($transactions) {
+          $is_new = !$task->getID();
+
           $event = new PhabricatorEvent(
             PhabricatorEventType::TYPE_MANIPHEST_WILLEDITTASK,
             array(
               'task'          => $task,
-              'new'           => !$task->getID(),
+              'new'           => $is_new,
               'transactions'  => $transactions,
             ));
           $event->setUser($user);
@@ -231,8 +233,20 @@ final class ManiphestTaskEditController extends ManiphestController {
           $editor = new ManiphestTransactionEditor();
           $editor->setAuxiliaryFields($aux_fields);
           $editor->applyTransactions($task, $transactions);
+
+          $event = new PhabricatorEvent(
+            PhabricatorEventType::TYPE_MANIPHEST_DIDEDITTASK,
+            array(
+              'task'          => $task,
+              'new'           => $is_new,
+              'transactions'  => $transactions,
+            ));
+          $event->setUser($user);
+          $event->setAphrontRequest($request);
+          PhutilEventEngine::dispatchEvent($event);
         }
 
+
         if ($parent_task) {
           $type_task = PhabricatorPHIDConstants::PHID_TYPE_TASK;
 
diff --git a/src/applications/maniphest/replyhandler/ManiphestReplyHandler.php b/src/applications/maniphest/replyhandler/ManiphestReplyHandler.php
index f042007dad..52935b44f7 100644
--- a/src/applications/maniphest/replyhandler/ManiphestReplyHandler.php
+++ b/src/applications/maniphest/replyhandler/ManiphestReplyHandler.php
@@ -168,6 +168,17 @@ final class ManiphestReplyHandler extends PhabricatorMailReplyHandler {
     $editor = new ManiphestTransactionEditor();
     $editor->setParentMessageID($mail->getMessageID());
     $editor->applyTransactions($task, $xactions);
+
+    $event = new PhabricatorEvent(
+      PhabricatorEventType::TYPE_MANIPHEST_DIDEDITTASK,
+      array(
+        'task'          => $task,
+        'new'           => $is_new_task,
+        'transactions'  => $xactions,
+      ));
+    $event->setUser($user);
+    PhutilEventEngine::dispatchEvent($event);
+
   }
 
 }
diff --git a/src/infrastructure/events/constant/type/PhabricatorEventType.php b/src/infrastructure/events/constant/type/PhabricatorEventType.php
index 9d13a84ea2..c2f96dbe24 100644
--- a/src/infrastructure/events/constant/type/PhabricatorEventType.php
+++ b/src/infrastructure/events/constant/type/PhabricatorEventType.php
@@ -1,7 +1,7 @@
 <?php
 
 /*
- * Copyright 2011 Facebook, Inc.
+ * Copyright 2012 Facebook, Inc.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -19,6 +19,7 @@
 final class PhabricatorEventType extends PhutilEventType {
 
   const TYPE_MANIPHEST_WILLEDITTASK = 'maniphest.willEditTask';
+  const TYPE_MANIPHEST_DIDEDITTASK = 'maniphest.didEditTask';
   const TYPE_DIFFERENTIAL_WILLSENDMAIL = 'differential.willSendMail';
   const TYPE_DIFFERENTIAL_WILLMARKGENERATED = 'differential.willMarkGenerated';