diff --git a/src/Bot/Model/Entity/Chat/Chat.php b/src/Bot/Model/Entity/Chat/Chat.php
index f396fad..063c089 100644
--- a/src/Bot/Model/Entity/Chat/Chat.php
+++ b/src/Bot/Model/Entity/Chat/Chat.php
@@ -113,6 +113,14 @@ class Chat implements ModelInterface
      */
     private $lastActivity;
 
+    /**
+     * @var \DateTime $replyDeadline
+     *
+     * @Type("DateTime<'Y-m-d\TH:i:sP'>")
+     * @Accessor(getter="getReplyDeadline",setter="setReplyDeadline")
+     */
+    private $replyDeadline;
+
     /**
      * @return string|null
      */
@@ -288,4 +296,20 @@ class Chat implements ModelInterface
     {
         $this->lastActivity = $lastActivity;
     }
+
+    /**
+     * @return \DateTime
+     */
+    public function getReplyDeadline(): ?\DateTime
+    {
+        return $this->replyDeadline;
+    }
+
+    /**
+     * @param \DateTime $replyDeadline
+     */
+    public function setReplyDeadline(\DateTime $replyDeadline): void
+    {
+        $this->replyDeadline = $replyDeadline;
+    }
 }