diff --git a/src/ActiveRecord.php b/src/ActiveRecord.php
index 94d6a4c..d2ddf2e 100644
--- a/src/ActiveRecord.php
+++ b/src/ActiveRecord.php
@@ -230,7 +230,7 @@ public static function batchPerform($action, $data = [], array $options = [])
 
     public static function perform($action, $data = [], array $options = [])
     {
-        return static::getDb()->createCommand()->perform($action, static::tableName(), $data, $options);
+        return static::getDb()->createCommand()->perform($action, static::tableName(), $data, $options)->getData();
     }
 
     /**
diff --git a/src/Command.php b/src/Command.php
index 4027885..c42e3dc 100644
--- a/src/Command.php
+++ b/src/Command.php
@@ -39,7 +39,7 @@ public function setRequest(RequestInterface $request)
      * In API this could be get, search or list request.
      * @param array $options send options
      * @throws ResponseErrorException
-     * @return mixed response data
+     * @return ResponseInterface response object
      */
     public function search($options = [])
     {
@@ -77,6 +77,13 @@ public function update($table, $columns, $condition = [], array $params = [])
         return $this->setRequest($request);
     }
 
+    /**
+     * Sends a request to delete data.
+     * @param mixed $table entity to update
+     * @param array $condition
+     * @param array $params request parameters
+     * @return $this
+     */
     public function delete($table, $condition, array $params = [])
     {
         $request = $this->db->getQueryBuilder()->delete($table, $condition, $params);
@@ -90,7 +97,7 @@ public function delete($table, $condition, array $params = [])
      * @param string $table
      * @param mixed $body
      * @param array $params request parameters
-     * @return mixed response data
+     * @return ResponseInterface response object
      */
     public function perform($action, $table, $body = [], array $params = [])
     {
@@ -103,7 +110,7 @@ public function perform($action, $table, $body = [], array $params = [])
     /**
      * Executes the request.
      * @param array $options send options
-     * @return mixed response data
+     * @return ResponseInterface response object
      */
     public function send($options = [])
     {
@@ -114,7 +121,7 @@ public function send($options = [])
         Yii::endProfile($profile, $category);
         $this->db->checkResponse($response);
 
-        return $response->getData();
+        return $response;
     }
 
     public static function getProfileCategory()