diff --git a/src/Model/Subscription/Delivery.php b/src/Model/Subscription/Delivery.php
index 5a2d70ad46..91c293c9e9 100644
--- a/src/Model/Subscription/Delivery.php
+++ b/src/Model/Subscription/Delivery.php
@@ -15,8 +15,8 @@
  * @method Delivery setProjectKey(string $projectKey = null)
  * @method string getNotificationType()
  * @method Delivery setNotificationType(string $notificationType = null)
- * @method Reference getReference()
- * @method Delivery setReference(Reference $reference = null)
+ * @method Reference getResource()
+ * @method Delivery setResource(Reference $resource = null)
  */
 class Delivery extends JsonObject
 {
@@ -31,7 +31,7 @@ public function fieldDefinitions()
         return [
             'projectKey' => [static::TYPE => 'string'],
             static::NOTIFICATION_TYPE => [static::TYPE => 'string'],
-            'reference' => [static::TYPE => '\Commercetools\Core\Model\Common\Reference'],
+            'resource' => [static::TYPE => '\Commercetools\Core\Model\Common\Reference'],
         ];
     }
 
diff --git a/src/Model/Subscription/MessageDelivery.php b/src/Model/Subscription/MessageDelivery.php
index fc155a4dc9..7daa39f392 100644
--- a/src/Model/Subscription/MessageDelivery.php
+++ b/src/Model/Subscription/MessageDelivery.php
@@ -10,13 +10,12 @@
 
 /**
  * @package Commercetools\Core\Model\Subscription
- *
  * @method string getProjectKey()
  * @method MessageDelivery setProjectKey(string $projectKey = null)
  * @method string getNotificationType()
  * @method MessageDelivery setNotificationType(string $notificationType = null)
- * @method Reference getReference()
- * @method MessageDelivery setReference(Reference $reference = null)
+ * @method Reference getResource()
+ * @method MessageDelivery setResource(Reference $resource = null)
  * @method string getId()
  * @method MessageDelivery setId(string $id = null)
  * @method int getVersion()
diff --git a/src/Model/Subscription/ResourceCreatedDelivery.php b/src/Model/Subscription/ResourceCreatedDelivery.php
index 29590f1ec5..92991a3cec 100644
--- a/src/Model/Subscription/ResourceCreatedDelivery.php
+++ b/src/Model/Subscription/ResourceCreatedDelivery.php
@@ -9,13 +9,12 @@
 
 /**
  * @package Commercetools\Core\Model\Subscription
- *
  * @method string getProjectKey()
  * @method ResourceCreatedDelivery setProjectKey(string $projectKey = null)
  * @method string getNotificationType()
  * @method ResourceCreatedDelivery setNotificationType(string $notificationType = null)
- * @method Reference getReference()
- * @method ResourceCreatedDelivery setReference(Reference $reference = null)
+ * @method Reference getResource()
+ * @method ResourceCreatedDelivery setResource(Reference $resource = null)
  * @method int getVersion()
  * @method ResourceCreatedDelivery setVersion(int $version = null)
  */
diff --git a/src/Model/Subscription/ResourceDeletedDelivery.php b/src/Model/Subscription/ResourceDeletedDelivery.php
index d187fb077e..415d7b7258 100644
--- a/src/Model/Subscription/ResourceDeletedDelivery.php
+++ b/src/Model/Subscription/ResourceDeletedDelivery.php
@@ -9,13 +9,12 @@
 
 /**
  * @package Commercetools\Core\Model\Subscription
- *
  * @method string getProjectKey()
  * @method ResourceDeletedDelivery setProjectKey(string $projectKey = null)
  * @method string getNotificationType()
  * @method ResourceDeletedDelivery setNotificationType(string $notificationType = null)
- * @method Reference getReference()
- * @method ResourceDeletedDelivery setReference(Reference $reference = null)
+ * @method Reference getResource()
+ * @method ResourceDeletedDelivery setResource(Reference $resource = null)
  * @method int getVersion()
  * @method ResourceDeletedDelivery setVersion(int $version = null)
  */
diff --git a/src/Model/Subscription/ResourceUpdatedDelivery.php b/src/Model/Subscription/ResourceUpdatedDelivery.php
index edb09a967c..360b3a794a 100644
--- a/src/Model/Subscription/ResourceUpdatedDelivery.php
+++ b/src/Model/Subscription/ResourceUpdatedDelivery.php
@@ -9,13 +9,12 @@
 
 /**
  * @package Commercetools\Core\Model\Subscription
- *
  * @method string getProjectKey()
  * @method ResourceUpdatedDelivery setProjectKey(string $projectKey = null)
  * @method string getNotificationType()
  * @method ResourceUpdatedDelivery setNotificationType(string $notificationType = null)
- * @method Reference getReference()
- * @method ResourceUpdatedDelivery setReference(Reference $reference = null)
+ * @method Reference getResource()
+ * @method ResourceUpdatedDelivery setResource(Reference $resource = null)
  * @method int getVersion()
  * @method ResourceUpdatedDelivery setVersion(int $version = null)
  * @method int getOldVersion()