diff --git a/code/nel/include/nel/gui/group_tab.h b/code/nel/include/nel/gui/group_tab.h
index d59fdd65d..ae7b45b08 100644
--- a/code/nel/include/nel/gui/group_tab.h
+++ b/code/nel/include/nel/gui/group_tab.h
@@ -47,6 +47,8 @@ namespace NLGUI
 		/// Constructor
 		CGroupTab(const TCtorParam &param);
 
+		std::string getProperty( const std::string &name ) const;
+
 		virtual bool parse (xmlNodePtr cur, CInterfaceGroup *parentGroup);
 		virtual void updateCoords ();
 
diff --git a/code/nel/src/gui/group_tab.cpp b/code/nel/src/gui/group_tab.cpp
index 54199a0cb..1e2ec7dc2 100644
--- a/code/nel/src/gui/group_tab.cpp
+++ b/code/nel/src/gui/group_tab.cpp
@@ -42,6 +42,25 @@ namespace NLGUI
 		_LastTabIndex = -1;
 	}
 
+	std::string CGroupTab::getProperty( const std::string &name ) const
+	{
+		if( name == "hide_out_tabs" )
+		{
+			return toString( _HideOutTabs );
+		}
+		else
+		if( name == "onchange" )
+		{
+			return _AHOnChange;
+		}
+		else
+		if( name == "onchange_params" )
+		{
+			return _ParamsOnChange;
+		}
+		else
+			return CInterfaceGroup::getProperty( name );
+	}
 
 	// ***************************************************************************
 	bool	CGroupTab::parse (xmlNodePtr cur, CInterfaceGroup *parentGroup)
diff --git a/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/widgets/GroupTab.xml b/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/widgets/GroupTab.xml
new file mode 100644
index 000000000..8c6b61481
--- /dev/null
+++ b/code/nel/tools/3d/object_viewer_qt/src/plugins/gui_editor/widgets/GroupTab.xml
@@ -0,0 +1,27 @@
+<widget>
+    <header>
+        <name>GroupTab</name>
+        <guiname>CGroupTab</guiname>
+        <ancestor>InterfaceGroup</ancestor>
+        <description></description>
+        <abstract>false</abstract>
+        <icon></icon>
+    </header>
+    <properties>
+        <property>
+            <name>hide_out_tabs</name>
+            <type>bool</type>
+            <default></default>
+        </property>
+        <property>
+            <name>onchange</name>
+            <type>string</type>
+            <default></default>
+        </property>
+        <property>
+            <name>onchange_params</name>
+            <type>string</type>
+            <default></default>
+        </property>
+    </properties>
+</widget>