diff --git a/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php b/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php
index b00cfc0..ba2ee4d 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php
+++ b/src/Skobkin/Bundle/PointToolsBundle/DTO/Api/WebSocket/Message.php
@@ -68,6 +68,11 @@ class Message implements ValidableInterface
      */
     private $link;
 
+    /**
+     * @var int|null
+     */
+    private $postAuthorId;
+
     /** @var string */
     private $postId;
 
@@ -136,7 +141,7 @@ class Message implements ValidableInterface
 
     public function isPostRecommendation(): bool
     {
-        return self::TYPE_POST_RECOMMENDATION === $this->a;
+        return self::TYPE_POST_COMMENT_RECOMMENDATION === $this->a;
     }
 
     /**
@@ -243,6 +248,11 @@ class Message implements ValidableInterface
         return $this->postId;
     }
 
+    public function getPostAuthorId(): ?int
+    {
+        return $this->postAuthorId;
+    }
+
     public function getPrivate(): ?bool
     {
         return $this->private;
diff --git a/src/Skobkin/Bundle/PointToolsBundle/Resources/config/serializer/DTO.Api.WebSocket.Message.yml b/src/Skobkin/Bundle/PointToolsBundle/Resources/config/serializer/DTO.Api.WebSocket.Message.yml
index 8326072..e36322a 100644
--- a/src/Skobkin/Bundle/PointToolsBundle/Resources/config/serializer/DTO.Api.WebSocket.Message.yml
+++ b/src/Skobkin/Bundle/PointToolsBundle/Resources/config/serializer/DTO.Api.WebSocket.Message.yml
@@ -31,6 +31,9 @@ Skobkin\Bundle\PointToolsBundle\DTO\Api\WebSocket\Message:
         postId:
             type: string
             serialized_name: 'post_id'
+        postAuthorId:
+            type: int
+            serialized_name: 'post_author_id'
         private:
             type: bool
             serialized_name: 'private'