diff --git a/src/applications/differential/command/DifferentialActionEmailCommand.php b/src/applications/differential/command/DifferentialActionEmailCommand.php
--- a/src/applications/differential/command/DifferentialActionEmailCommand.php
+++ b/src/applications/differential/command/DifferentialActionEmailCommand.php
@@ -55,65 +55,28 @@
   }
 
   public function getCommandObjects() {
-    $actions = array(
-      DifferentialAction::ACTION_REJECT => 'request',
-      DifferentialAction::ACTION_ABANDON => 'abandon',
-      DifferentialAction::ACTION_RECLAIM => 'reclaim',
-      DifferentialAction::ACTION_RESIGN => 'resign',
-      DifferentialAction::ACTION_RETHINK => 'planchanges',
-      DifferentialAction::ACTION_CLAIM => 'commandeer',
-    );
-
-    if (PhabricatorEnv::getEnvConfig('differential.enable-email-accept')) {
-      $actions[DifferentialAction::ACTION_ACCEPT] = 'accept';
-    }
-
-    $aliases = array(
-      DifferentialAction::ACTION_REJECT => array('reject'),
-      DifferentialAction::ACTION_CLAIM => array('claim'),
-      DifferentialAction::ACTION_RETHINK => array('rethink'),
-    );
-
-    $summaries = array(
-      DifferentialAction::ACTION_REJECT =>
-        pht('Request changes to a revision.'),
-      DifferentialAction::ACTION_ABANDON =>
-        pht('Abandon a revision.'),
-      DifferentialAction::ACTION_RECLAIM =>
-        pht('Reclaim a revision.'),
-      DifferentialAction::ACTION_RESIGN =>
-        pht('Resign from a revision.'),
-      DifferentialAction::ACTION_RETHINK =>
-        pht('Plan changes to a revision.'),
-      DifferentialAction::ACTION_CLAIM =>
-        pht('Commandeer a revision.'),
-      DifferentialAction::ACTION_ACCEPT =>
-        pht('Accept a revision.'),
-    );
-
-    $descriptions = array(
-
-    );
+    $actions = DifferentialRevisionActionTransaction::loadAllActions();
+    $actions = msort($actions, 'getRevisionActionOrderVector');
 
     $objects = array();
-    foreach ($actions as $action => $keyword) {
-      $object = id(new DifferentialActionEmailCommand())
-        ->setCommand($keyword)
-        ->setAction($action)
-        ->setCommandSummary($summaries[$action]);
-
-      if (isset($aliases[$action])) {
-        $object->setCommandAliases($aliases[$action]);
+    foreach ($actions as $action) {
+      $keyword = $action->getCommandKeyword();
+      if ($keyword === null) {
+        continue;
       }
 
-      if (isset($descriptions[$action])) {
-        $object->setCommandDescription($descriptions[$action]);
-      }
+      $aliases = $action->getCommandAliases();
+      $summary = $action->getCommandSummary();
+
+      $object = id(new self())
+        ->setCommand($keyword)
+        ->setCommandAliases($aliases)
+        ->setAction($action->getTransactionTypeConstant())
+        ->setCommandSummary($summary);
 
       $objects[] = $object;
     }
 
-
     return $objects;
   }
 
@@ -131,8 +94,8 @@
     $xactions = array();
 
     $xactions[] = $object->getApplicationTransactionTemplate()
-      ->setTransactionType(DifferentialTransaction::TYPE_ACTION)
-      ->setNewValue($this->getAction());
+      ->setTransactionType($this->getAction())
+      ->setNewValue(true);
 
     return $xactions;
   }
diff --git a/src/applications/differential/xaction/DifferentialRevisionAbandonTransaction.php b/src/applications/differential/xaction/DifferentialRevisionAbandonTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionAbandonTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionAbandonTransaction.php
@@ -26,6 +26,18 @@
     return 500;
   }
 
+  public function getCommandKeyword() {
+    return 'abandon';
+  }
+
+  public function getCommandAliases() {
+    return array();
+  }
+
+  public function getCommandSummary() {
+    return pht('Abandon a revision.');
+  }
+
   public function generateOldValue($object) {
     return $object->isAbandoned();
   }
diff --git a/src/applications/differential/xaction/DifferentialRevisionAcceptTransaction.php b/src/applications/differential/xaction/DifferentialRevisionAcceptTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionAcceptTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionAcceptTransaction.php
@@ -26,6 +26,24 @@
     return 500;
   }
 
+  public function getCommandKeyword() {
+    $accept_key = 'differential.enable-email-accept';
+    $allow_email_accept = PhabricatorEnv::getEnvConfig($accept_key);
+    if (!$allow_email_accept) {
+      return null;
+    }
+
+    return 'accept';
+  }
+
+  public function getCommandAliases() {
+    return array();
+  }
+
+  public function getCommandSummary() {
+    return pht('Accept a revision.');
+  }
+
   public function generateOldValue($object) {
     $actor = $this->getActor();
     return $this->isViewerAcceptingReviewer($object, $actor);
diff --git a/src/applications/differential/xaction/DifferentialRevisionActionTransaction.php b/src/applications/differential/xaction/DifferentialRevisionActionTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionActionTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionActionTransaction.php
@@ -19,6 +19,18 @@
   abstract protected function validateAction($object, PhabricatorUser $viewer);
   abstract protected function getRevisionActionLabel();
 
+  public function getCommandKeyword() {
+    return null;
+  }
+
+  public function getCommandAliases() {
+    return array();
+  }
+
+  public function getCommandSummary() {
+    return null;
+  }
+
   protected function getRevisionActionOrder() {
     return 1000;
   }
diff --git a/src/applications/differential/xaction/DifferentialRevisionCommandeerTransaction.php b/src/applications/differential/xaction/DifferentialRevisionCommandeerTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionCommandeerTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionCommandeerTransaction.php
@@ -26,6 +26,20 @@
     return 700;
   }
 
+  public function getCommandKeyword() {
+    return 'commandeer';
+  }
+
+  public function getCommandAliases() {
+    return array(
+      'claim',
+    );
+  }
+
+  public function getCommandSummary() {
+    return pht('Commadeer a revision.');
+  }
+
   public function generateOldValue($object) {
     return $object->getAuthorPHID();
   }
diff --git a/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php b/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionPlanChangesTransaction.php
@@ -27,6 +27,20 @@
     return 200;
   }
 
+  public function getCommandKeyword() {
+    return 'planchanges';
+  }
+
+  public function getCommandAliases() {
+    return array(
+      'rethink',
+    );
+  }
+
+  public function getCommandSummary() {
+    return pht('Plan changes to a revision.');
+  }
+
   public function generateOldValue($object) {
     $status_planned = ArcanistDifferentialRevisionStatus::CHANGES_PLANNED;
     return ($object->getStatus() == $status_planned);
diff --git a/src/applications/differential/xaction/DifferentialRevisionReclaimTransaction.php b/src/applications/differential/xaction/DifferentialRevisionReclaimTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionReclaimTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionReclaimTransaction.php
@@ -26,6 +26,18 @@
     return 600;
   }
 
+  public function getCommandKeyword() {
+    return 'reclaim';
+  }
+
+  public function getCommandAliases() {
+    return array();
+  }
+
+  public function getCommandSummary() {
+    return pht('Reclaim a revision.');
+  }
+
   public function generateOldValue($object) {
     return !$object->isAbandoned();
   }
diff --git a/src/applications/differential/xaction/DifferentialRevisionRejectTransaction.php b/src/applications/differential/xaction/DifferentialRevisionRejectTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionRejectTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionRejectTransaction.php
@@ -26,6 +26,20 @@
     return 600;
   }
 
+  public function getCommandKeyword() {
+    return 'request';
+  }
+
+  public function getCommandAliases() {
+    return array(
+      'reject',
+    );
+  }
+
+  public function getCommandSummary() {
+    return pht('Request changes to a revision.');
+  }
+
   public function generateOldValue($object) {
     $actor = $this->getActor();
     return $this->isViewerRejectingReviewer($object, $actor);
diff --git a/src/applications/differential/xaction/DifferentialRevisionResignTransaction.php b/src/applications/differential/xaction/DifferentialRevisionResignTransaction.php
--- a/src/applications/differential/xaction/DifferentialRevisionResignTransaction.php
+++ b/src/applications/differential/xaction/DifferentialRevisionResignTransaction.php
@@ -26,6 +26,18 @@
     return 700;
   }
 
+  public function getCommandKeyword() {
+    return 'resign';
+  }
+
+  public function getCommandAliases() {
+    return array();
+  }
+
+  public function getCommandSummary() {
+    return pht('Resign from a revision.');
+  }
+
   public function generateOldValue($object) {
     $actor = $this->getActor();
     return !$this->isViewerAnyReviewer($object, $actor);