diff --git a/CHANGELOG b/CHANGELOG
index 02ba11d..2bad131 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -1,4 +1,7 @@
-3.1.2 - Businesses service
+3.1.2 - Businesses service added
+      - SmartCampaigns support added
+      - SmartBanners support added
+      - checkDictionaries fix
 
 3.1.1 - Fix scrutinizer reflection issue
 
diff --git a/src/Service/AdGroups.php b/src/Service/AdGroups.php
index 0d34564..c4f542d 100644
--- a/src/Service/AdGroups.php
+++ b/src/Service/AdGroups.php
@@ -6,6 +6,8 @@
 
 namespace Yandex\Direct\Service;
 
+use ReflectionException;
+use Yandex\Direct\Exception\ErrorResponseException;
 use Yandex\Direct\Exception\Exception;
 use Yandex\Direct\Service;
 use function Yandex\Direct\get_param_names;
@@ -57,16 +59,19 @@ public function delete($SelectionCriteria)
     /**
      * Возвращает параметры групп, отвечающих заданным критериям.
      *
-     * @param $SelectionCriteria
-     * @param $FieldNames
-     * @param $MobileAppAdGroupFieldNames
-     * @param $DynamicTextAdGroupFieldNames
-     * @param $DynamicTextFeedAdGroupFieldNames
-     * @param $Page
+     * @param array $SelectionCriteria
+     * @param array $FieldNames
+     * @param array $MobileAppAdGroupFieldNames
+     * @param array $DynamicTextAdGroupFieldNames
+     * @param array $DynamicTextFeedAdGroupFieldNames
+     * @param array $SmartAdGroupFieldNames
+     * @param array $Page
+     *
      * @return array
      *
      * @throws Exception
-     * @throws \ReflectionException
+     * @throws ReflectionException
+     * @throws ErrorResponseException
      *
      * @see https://tech.yandex.ru/direct/doc/ref-v5/adgroups/delete-docpage/
      */
@@ -76,6 +81,7 @@ public function get(
         $MobileAppAdGroupFieldNames = null,
         $DynamicTextAdGroupFieldNames = null,
         $DynamicTextFeedAdGroupFieldNames = null,
+        $SmartAdGroupFieldNames = null,
         $Page = null
     ) {
         $params = compact(get_param_names(__METHOD__));
diff --git a/src/Service/Ads.php b/src/Service/Ads.php
index 4b65f87..1eba069 100644
--- a/src/Service/Ads.php
+++ b/src/Service/Ads.php
@@ -6,6 +6,7 @@
 
 namespace Yandex\Direct\Service;
 
+use ReflectionException;
 use Yandex\Direct\Exception\Exception;
 use Yandex\Direct\Service;
 use function Yandex\Direct\get_param_names;
@@ -156,22 +157,23 @@ public function moderate($SelectionCriteria)
     /**
      * Возвращает параметры объявлений, отвечающих заданным критериям.
      *
-     * @param $SelectionCriteria
-     * @param $FieldNames
-     * @param $TextAdFieldNames
-     * @param $MobileAppAdFieldNames
-     * @param $DynamicTextAdFieldNames
-     * @param $TextImageAdFieldNames
-     * @param $MobileAppImageAdFieldNames
-     * @param $TextAdBuilderAdFieldNames
-     * @param $MobileAppAdBuilderAdFieldNames
-     * @param $CpcVideoAdBuilderAdFieldNames
-     * @param $CpmBannerAdBuilderAdFieldNames
-     * @param $CpmVideoAdBuilderAdFieldNames
-     * @param $Page
+     * @param array $SelectionCriteria
+     * @param array $FieldNames
+     * @param array $TextAdFieldNames
+     * @param array $MobileAppAdFieldNames
+     * @param array $DynamicTextAdFieldNames
+     * @param array $TextImageAdFieldNames
+     * @param array $MobileAppImageAdFieldNames
+     * @param array $TextAdBuilderAdFieldNames
+     * @param array $MobileAppAdBuilderAdFieldNames
+     * @param array $CpcVideoAdBuilderAdFieldNames
+     * @param array $CpmBannerAdBuilderAdFieldNames
+     * @param array $CpmVideoAdBuilderAdFieldNames
+     * @param array $SmartAdBuilderAdFieldNames
+     * @param array $Page
      * @return array
      * @throws Exception
-     * @throws \ReflectionException
+     * @throws ReflectionException
      *
      * @see https://tech.yandex.ru/direct/doc/ref-v5/ads/get-docpage/
      */
@@ -188,6 +190,7 @@ public function get(
         $CpcVideoAdBuilderAdFieldNames = null,
         $CpmBannerAdBuilderAdFieldNames = null,
         $CpmVideoAdBuilderAdFieldNames = null,
+        $SmartAdBuilderAdFieldNames = null,
         $Page = null
     ) {
         $params = compact(get_param_names(__METHOD__));
diff --git a/src/Service/BidModifiers.php b/src/Service/BidModifiers.php
index c5ac8a1..f68167f 100644
--- a/src/Service/BidModifiers.php
+++ b/src/Service/BidModifiers.php
@@ -6,6 +6,7 @@
 
 namespace Yandex\Direct\Service;
 
+use Yandex\Direct\Exception\ErrorResponseException;
 use Yandex\Direct\Exception\Exception;
 use Yandex\Direct\Service;
 use function Yandex\Direct\get_param_names;
@@ -57,15 +58,21 @@ public function delete($SelectionCriteria)
     /**
      * Возвращает параметры корректировок, отвечающих заданным критериям.
      *
-     * @param $SelectionCriteria
-     * @param $FieldNames
-     * @param $MobileAdjustmentFieldNames
-     * @param $DemographicsAdjustmentFieldNames
-     * @param $RetargetingAdjustmentFieldNames
-     * @param $Page
+     * @param array $SelectionCriteria
+     * @param array $FieldNames
+     * @param array $MobileAdjustmentFieldNames
+     * @param array $DemographicsAdjustmentFieldNames
+     * @param array $RetargetingAdjustmentFieldNames
+     * @param array $RegionalAdjustmentFieldNames
+     * @param array $VideoAdjustmentFieldNames
+     * @param array $SmartAdAdjustmentFieldNames
+     * @param array $Page
+     *
      * @return array
+     *
      * @throws Exception
      * @throws \ReflectionException
+     * @throws ErrorResponseException
      *
      * @see https://tech.yandex.ru/direct/doc/ref-v5/bidmodifiers/get-docpage/
      */
@@ -75,6 +82,9 @@ public function get(
         $MobileAdjustmentFieldNames = null,
         $DemographicsAdjustmentFieldNames = null,
         $RetargetingAdjustmentFieldNames = null,
+        $RegionalAdjustmentFieldNames = null,
+        $VideoAdjustmentFieldNames = null,
+        $SmartAdAdjustmentFieldNames = null,
         $Page = null
     ) {
         $params = compact(get_param_names(__METHOD__));
diff --git a/src/Service/Campaigns.php b/src/Service/Campaigns.php
index b1aa01f..dfba811 100644
--- a/src/Service/Campaigns.php
+++ b/src/Service/Campaigns.php
@@ -77,6 +77,7 @@ public function delete($SelectionCriteria)
      * @param array $MobileAppCampaignFieldNames
      * @param array $DynamicTextCampaignFieldNames
      * @param array $CpmBannerCampaignFieldNames
+     * @param array $SmartCampaignFieldNames
      * @param array $Page
      * @return array
      * @throws Exception
@@ -91,6 +92,7 @@ public function get(
         $MobileAppCampaignFieldNames = null,
         $DynamicTextCampaignFieldNames = null,
         $CpmBannerCampaignFieldNames = null,
+        $SmartCampaignFieldNames = null,
         $Page = null
     ) {
         $params = compact(get_param_names(__METHOD__));
diff --git a/src/Service/Changes.php b/src/Service/Changes.php
index 28db59d..bd906a7 100644
--- a/src/Service/Changes.php
+++ b/src/Service/Changes.php
@@ -6,6 +6,7 @@
 
 namespace Yandex\Direct\Service;
 
+use ReflectionException;
 use Yandex\Direct\Exception\Exception;
 use Yandex\Direct\Service;
 use function Yandex\Direct\get_param_names;
@@ -23,16 +24,17 @@ final class Changes extends Service
      * @param $Timestamp
      * @return array
      * @throws Exception
+     * @throws ReflectionException
      *
      * @see https://tech.yandex.ru/direct/doc/ref-v5/changes/checkDictionaries-docpage/
      */
-    public function checkDictionaries($Timestamp)
+    public function checkDictionaries($Timestamp = null)
     {
+        $params = compact(get_param_names(__METHOD__));
+
         return $this->request([
             'method' => 'checkDictionaries',
-            'params' => [
-                'Timestamp' => $Timestamp
-            ]
+            'params' => $params
         ]);
     }
 
diff --git a/src/Service/Creatives.php b/src/Service/Creatives.php
index 811bbc9..4d07276 100644
--- a/src/Service/Creatives.php
+++ b/src/Service/Creatives.php
@@ -5,30 +5,37 @@
 
 namespace Yandex\Direct\Service;
 
+use DOMDocument;
+use ReflectionException;
+use Yandex\Direct\Exception\ErrorResponseException;
+use Yandex\Direct\Exception\Exception;
 use Yandex\Direct\Service;
 use function Yandex\Direct\get_param_names;
 
 /**
  * Возвращает параметры креативов, отвечающих заданным критериям.
  *
- * @author Dmitry Gladyshev <deel@email.ru>
+ * @see https://yandex.ru/dev/direct/doc/ref-v5/creatives/creatives-docpage/
  */
 final class Creatives extends Service
 {
     /**
      * Возвращает параметры креативов, отвечающих заданным критериям.
      *
-     * @param $SelectionCriteria
-     * @param $FieldNames
-     * @param $VideoExtensionCreativeFieldNames
-     * @param $CpcVideoCreativeFieldNames
-     * @param $CpmVideoCreativeFieldNames
-     * @param $Page
-     * @return array|\DOMDocument
+     * @param array $SelectionCriteria
+     * @param array $FieldNames
+     * @param array $VideoExtensionCreativeFieldNames
+     * @param array $CpcVideoCreativeFieldNames
+     * @param array $CpmVideoCreativeFieldNames
+     * @param array $SmartCreativeFieldNames
+     * @param array $Page
+     * @return array|DOMDocument
      *
-     * @throws \ReflectionException
-     * @throws \Yandex\Direct\Exception\ErrorResponseException
-     * @throws \Yandex\Direct\Exception\Exception
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/creatives/get-docpage/
      */
     public function get(
         $SelectionCriteria,
@@ -36,9 +43,9 @@ public function get(
         $VideoExtensionCreativeFieldNames = null,
         $CpcVideoCreativeFieldNames = null,
         $CpmVideoCreativeFieldNames = null,
+        $SmartCreativeFieldNames = null,
         $Page = null
-    )
-    {
+    ) {
         $params = compact(get_param_names(__METHOD__));
 
         return $this->request([
diff --git a/src/Service/Feeds.php b/src/Service/Feeds.php
new file mode 100644
index 0000000..920ceed
--- /dev/null
+++ b/src/Service/Feeds.php
@@ -0,0 +1,124 @@
+<?php
+/**
+ * @author Dmitry Gladyshev <deel@email.ru>
+ * @date 26/08/20120 21:34
+ */
+
+namespace Yandex\Direct\Service;
+
+use ReflectionException;
+use Yandex\Direct\Exception\ErrorResponseException;
+use Yandex\Direct\Exception\Exception;
+use Yandex\Direct\Service;
+use function Yandex\Direct\get_param_names;
+
+/**
+ * Class Feeds
+ *
+ * Сервис предназначен для выполнения операций с фидами.
+ *
+ * @see https://yandex.ru/dev/direct/doc/ref-v5/feeds/feeds-docpage/
+ */
+final class Feeds extends Service
+{
+    /**
+     * Создает фиды.
+     *
+     * @param array $Feeds
+     *
+     * @return array
+     *
+     * @throws ReflectionException
+     * @throws ErrorResponseException
+     * @throws Exception
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/feeds/add-docpage/
+     */
+    public function add($Feeds)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'add',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Удаляет фиды.
+     *
+     * @param array $SelectionCriteria
+     *
+     * @return array
+     *
+     * @throws ReflectionException
+     * @throws ErrorResponseException
+     * @throws Exception
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/feeds/delete-docpage/
+     */
+    public function delete($SelectionCriteria)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'delete',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Возвращает параметры фидов, отвечающих заданным критериям.
+     *
+     * @param array $SelectionCriteria
+     * @param array $FieldNames
+     * @param array $FileFeedFieldNames
+     * @param array $UrlFeedFieldNames
+     * @param array $Page
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/feeds/get-docpage/
+     */
+    public function get(
+        $SelectionCriteria,
+        $FieldNames,
+        $FileFeedFieldNames = null,
+        $UrlFeedFieldNames = null,
+        $Page = null
+    ) {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'get',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Изменяет параметры фида.
+     *
+     * @param array $Feeds
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/feeds/update-docpage/
+     */
+    public function update($Feeds)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'update',
+            'params' => $params
+        ]);
+    }
+}
diff --git a/src/Service/SmartAdTargets.php b/src/Service/SmartAdTargets.php
new file mode 100644
index 0000000..31258cf
--- /dev/null
+++ b/src/Service/SmartAdTargets.php
@@ -0,0 +1,190 @@
+<?php
+/**
+ * @author Dmitry Gladyshev <deel@email.ru>
+ * @date 26/08/20120 21:34
+ */
+
+namespace Yandex\Direct\Service;
+
+use ReflectionException;
+use Yandex\Direct\Exception\ErrorResponseException;
+use Yandex\Direct\Exception\Exception;
+use Yandex\Direct\Service;
+use function Yandex\Direct\get_param_names;
+
+/**
+ * Class SmartAdTargets
+ *
+ * Сервис предназначен для выполнения операций с фильтрами — условиями нацеливания для смарт-баннеров.
+ *
+ * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/smartadtargets-docpage/
+ */
+final class SmartAdTargets extends Service
+{
+    /**
+     * Создает фильтры — условия нацеливания для смарт-баннеров, назначает CPC,
+     * CPA или приоритет для создаваемых фильтров.
+     *
+     * @param array $SmartAdTargets
+     *
+     * @return array
+     *
+     * @throws ReflectionException
+     * @throws ErrorResponseException
+     * @throws Exception
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/add-docpage/
+     */
+    public function add($SmartAdTargets)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'add',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Удаляет фильтры — условия нацеливания для смарт-баннеров.
+     *
+     * @param array $SelectionCriteria
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/delete-docpage/
+     */
+    public function delete($SelectionCriteria)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'delete',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Возвращает параметры фильтров — условий нацеливания для смарт-баннеров.
+     *
+     * @param array $SelectionCriteria
+     * @param array $FieldNames
+     * @param array $Page
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/get-docpage/
+     */
+    public function get(
+        $SelectionCriteria,
+        $FieldNames,
+        $Page = null
+    ) {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'get',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Возобновляет показы по ранее остановленным фильтрам — условиям нацеливания для смарт-баннеров.
+     *
+     * @param array $SelectionCriteria
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/resume-docpage/
+     */
+    public function resume($SelectionCriteria)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'resume',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Назначает CPC, CPA и приоритеты для фильтров.
+     *
+     * @param array $Bids
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/setBids-docpage/
+     */
+    public function setBids($Bids)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'setBids',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Останавливает показы по фильтрам — условиям нацеливания для смарт-баннеров.
+     *
+     * @param array $SelectionCriteria
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/suspend-docpage/
+     */
+    public function suspend($SelectionCriteria)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'suspend',
+            'params' => $params
+        ]);
+    }
+
+    /**
+     * Изменяет параметры фильтров — условий нацеливания для смарт-баннеров.
+     *
+     * @param array $SmartAdTargets
+     *
+     * @return array
+     *
+     * @throws ErrorResponseException
+     * @throws Exception
+     * @throws ReflectionException
+     *
+     * @see https://yandex.ru/dev/direct/doc/ref-v5/smartadtargets/update-docpage/
+     */
+    public function update($SmartAdTargets)
+    {
+        $params = compact(get_param_names(__METHOD__));
+
+        return $this->request([
+            'method' => 'update',
+            'params' => $params
+        ]);
+    }
+}