diff --git a/README.md b/README.md
index 0afaaf7..484b4dd 100644
--- a/README.md
+++ b/README.md
@@ -335,9 +335,10 @@ class Model extends \yii\base\Model
      *
      * @param string $modelClass
      * @param array $multipleModels
+     * @param array $customAttr Definning custom model attribute where key the attribute name and value its value
      * @return array
      */
-    public static function createMultiple($modelClass, $multipleModels = [])
+    public static function createMultiple($modelClass, $multipleModels = [], $customAttr = null)
     {
         $model    = new $modelClass;
         $formName = $model->formName();
@@ -354,7 +355,7 @@ class Model extends \yii\base\Model
                 if (isset($item['id']) && !empty($item['id']) && isset($multipleModels[$item['id']])) {
                     $models[] = $multipleModels[$item['id']];
                 } else {
-                    $models[] = new $modelClass;
+                    $models[] = new $modelClass($customAttr);
                 }
             }
         }