diff --git a/src/Bot/Model/Request/ChatsRequest.php b/src/Bot/Model/Request/ChatsRequest.php
index 61c5f65..a6a5f1b 100644
--- a/src/Bot/Model/Request/ChatsRequest.php
+++ b/src/Bot/Model/Request/ChatsRequest.php
@@ -24,6 +24,7 @@ class ChatsRequest implements ModelInterface
 {
     use CommonFields;
     use PageLimit;
+    use IncludeMassCommunication;
 
     /**
      * @Type("int")
diff --git a/src/Bot/Model/Request/DialogsRequest.php b/src/Bot/Model/Request/DialogsRequest.php
index dce064b..771f809 100644
--- a/src/Bot/Model/Request/DialogsRequest.php
+++ b/src/Bot/Model/Request/DialogsRequest.php
@@ -24,6 +24,7 @@ class DialogsRequest implements ModelInterface
 {
     use CommonFields;
     use PageLimit;
+    use IncludeMassCommunication;
 
     /**
      * @var int $sinceId
diff --git a/src/Bot/Model/Request/IncludeMassCommunication.php b/src/Bot/Model/Request/IncludeMassCommunication.php
new file mode 100644
index 0000000..ec4e7fd
--- /dev/null
+++ b/src/Bot/Model/Request/IncludeMassCommunication.php
@@ -0,0 +1,48 @@
+<?php
+
+/**
+ * PHP version 7.1
+ *
+ * Common fields
+ *
+ * @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;
+
+/**
+ * CommonFields trait
+ *
+ * @package  RetailCrm\Mg\Bot\Model\Request
+ */
+trait IncludeMassCommunication
+{
+    /**
+     * @var int $includeMassCommunication
+     *
+     * @Type("int")
+     * @Accessor(getter="getIncludeMassCommunication",setter="setIncludeMassCommunication")
+     * @SkipWhenEmpty
+     */
+    private $includeMassCommunication;
+
+    /**
+     * @return int
+     */
+    public function getIncludeMassCommunication()
+    {
+        return $this->includeMassCommunication;
+    }
+
+    /**
+     * @param int $includeMassCommunication
+     */
+    public function setIncludeMassCommunication(?int $includeMassCommunication): void
+    {
+        $this->includeMassCommunication = $includeMassCommunication;
+    }
+}
diff --git a/src/Bot/Model/Request/MessagesRequest.php b/src/Bot/Model/Request/MessagesRequest.php
index e691b8d..5679104 100644
--- a/src/Bot/Model/Request/MessagesRequest.php
+++ b/src/Bot/Model/Request/MessagesRequest.php
@@ -23,6 +23,7 @@ use RetailCrm\Mg\Bot\Model\ModelInterface;
 class MessagesRequest implements ModelInterface
 {
     use CommonFields;
+    use IncludeMassCommunication;
 
     /**
      * @var int $chatId