diff --git a/application/Espo/Core/Di/UserAware - Copy.php b/application/Espo/Core/Di/PreferencesAware.php
similarity index 92%
rename from application/Espo/Core/Di/UserAware - Copy.php
rename to application/Espo/Core/Di/PreferencesAware.php
index 2b37a64ef4..a0945d0b9e 100644
--- a/application/Espo/Core/Di/UserAware - Copy.php	
+++ b/application/Espo/Core/Di/PreferencesAware.php
@@ -29,9 +29,9 @@
 
 namespace Espo\Core\Di;
 
-use Espo\Entities\User;
+use Espo\Entities\Preferences;
 
-interface UserAware
+interface PreferencesAware
 {
-    public function setUser(User $user);
+    public function setPreferences(Preferences $preferences);
 }
diff --git a/application/Espo/Core/Di/PreferencesSetter.php b/application/Espo/Core/Di/PreferencesSetter.php
new file mode 100644
index 0000000000..cad74dfd83
--- /dev/null
+++ b/application/Espo/Core/Di/PreferencesSetter.php
@@ -0,0 +1,42 @@
+<?php
+/************************************************************************
+ * This file is part of EspoCRM.
+ *
+ * EspoCRM - Open Source CRM application.
+ * Copyright (C) 2014-2020 Yuri Kuznetsov, Taras Machyshyn, Oleksiy Avramenko
+ * Website: https://www.espocrm.com
+ *
+ * EspoCRM is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * EspoCRM is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with EspoCRM. If not, see http://www.gnu.org/licenses/.
+ *
+ * The interactive user interfaces in modified source and object code versions
+ * of this program must display Appropriate Legal Notices, as required under
+ * Section 5 of the GNU General Public License version 3.
+ *
+ * In accordance with Section 7(b) of the GNU General Public License version 3,
+ * these Appropriate Legal Notices must retain the display of the "EspoCRM" word.
+ ************************************************************************/
+
+namespace Espo\Core\Di;
+
+use Espo\Entities\Preferences;
+
+trait PreferencesSetter
+{
+    protected $preferences;
+
+    public function setPreferences(Preferences $preferences)
+    {
+        $this->preferences = $preferences;
+    }
+}