diff --git a/sources/Core/MetaModel/FriendlyNameType.php b/sources/Core/MetaModel/FriendlyNameType.php
new file mode 100644
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+++ b/sources/Core/MetaModel/FriendlyNameType.php
@@ -0,0 +1,26 @@
+<?php
+/*
+ * @copyright   Copyright (C) 2010-2021 Combodo SARL
+ * @license     http://opensource.org/licenses/AGPL-3.0
+ */
+
+namespace Combodo\iTop\Core\MetaModel;
+
+
+/**
+ * Class FriendlyNameType
+ *
+ * The various type of FriendlyNameType
+ *
+ * @package Combodo\iTop\Core\MetaModel
+ * @since 3.0.0
+ */
+class FriendlyNameType
+{
+	/** @var string usual friendly name */
+	public const SHORT = 'short';
+	/** @var string complement of friendly name used in select box in order to help to choose the good element*/
+	public const COMPLEMENTARY = 'compl';
+	/** @var string long friendly name made whith short + complementary data*/
+	public const LONG = 'long';
+}
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