diff --git a/src/Bot/Model/Request/ChatsRequest.php b/src/Bot/Model/Request/ChatsRequest.php
index 2b0666c..14a6d92 100644
--- a/src/Bot/Model/Request/ChatsRequest.php
+++ b/src/Bot/Model/Request/ChatsRequest.php
@@ -23,6 +23,7 @@ use RetailCrm\Mg\Bot\Model\ModelInterface;
 class ChatsRequest implements ModelInterface
 {
     use CommonFields;
+    use PageLimit;
 
     /**
      * @Type("int")
@@ -38,6 +39,13 @@ class ChatsRequest implements ModelInterface
      */
     private $channelType;
 
+    /**
+     * @Type("int")
+     * @Accessor(getter="getCustomerId",setter="setCustomerId")
+     * @SkipWhenEmpty()
+     */
+    private $customerId;
+
     /**
      * @return int
      */
@@ -69,4 +77,20 @@ class ChatsRequest implements ModelInterface
     {
         $this->channelType = $channelType;
     }
+
+    /**
+     * @return int|null
+     */
+    public function getCustomerId(): ?int
+    {
+        return $this->customerId;
+    }
+
+    /**
+     * @param int $customerId
+     */
+    public function setCustomerId($customerId)
+    {
+        $this->customerId = $customerId;
+    }
 }
diff --git a/src/Bot/Model/Request/PageLimit.php b/src/Bot/Model/Request/PageLimit.php
new file mode 100644
index 0000000..ccd9e28
--- /dev/null
+++ b/src/Bot/Model/Request/PageLimit.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * PHP version 7.1
+ *
+ * Page limit
+ *
+ * @package  RetailCrm\Mg\Bot\Model\Request
+ */
+
+namespace RetailCrm\Mg\Bot\Model\Request;
+
+use JMS\Serializer\Annotation\Accessor;
+use JMS\Serializer\Annotation\SkipWhenEmpty;
+use JMS\Serializer\Annotation\Type;
+
+/**
+ * PageLimit trait
+ *
+ * @package  RetailCrm\Mg\Bot\Model\Request
+ */
+trait PageLimit
+{
+    /**
+     * @var int
+     *
+     * @Type("int")
+     * @Accessor(getter="getLimit",setter="setLimit")
+     * @SkipWhenEmpty
+     */
+    private $limit;
+
+    /**
+     * @return int|null
+     */
+    public function getLimit(): ?int
+    {
+        return $this->limit;
+    }
+
+    /**
+     * @param int $limit
+     */
+    public function setLimit($limit)
+    {
+        $this->limit = $limit;
+    }
+}