diff --git a/code/nel/include/nel/gui/group_menu.h b/code/nel/include/nel/gui/group_menu.h
index cfe91f7f9..ecdd8aff0 100644
--- a/code/nel/include/nel/gui/group_menu.h
+++ b/code/nel/include/nel/gui/group_menu.h
@@ -137,6 +137,9 @@ namespace NLGUI
 		const std::string getActionHandler(uint lineIndex) const;
 		const std::string getActionHandlerParam(uint lineIndex) const;
 
+		void setActionHandler(uint lineIndex, const std::string &ah = "");
+		void setActionHandlerParam(uint lineIndex, const std::string &params = "");
+
 		void	openSubMenu (sint32 nb);
 
 		void	hideSubMenus ();
@@ -330,6 +333,8 @@ namespace NLGUI
 		const std::string getActionHandler(uint lineIndex) const;
 		const std::string getActionHandlerParam(uint lineIndex) const;
 
+		void setActionHandler(uint lineIndex, const std::string &ah = "");
+		void setActionHandlerParam(uint lineIndex, const std::string &params = "");
 
 		void addLine (const ucstring &name, const std::string &ah = "", const std::string &params = "",
 					  const std::string &id = std::string(),
diff --git a/code/nel/src/gui/group_menu.cpp b/code/nel/src/gui/group_menu.cpp
index d8b3452ed..15a655d76 100644
--- a/code/nel/src/gui/group_menu.cpp
+++ b/code/nel/src/gui/group_menu.cpp
@@ -1663,6 +1663,28 @@ namespace NLGUI
 		return _Lines[lineIndex].AHParams;
 	}
 
+	// ------------------------------------------------------------------------------------------------
+	void CGroupSubMenu::setActionHandler(uint lineIndex, const std::string &ah)
+	{
+		if (lineIndex > _Lines.size())
+		{
+			nlwarning("Bad index");
+			return;
+		}
+		_Lines[lineIndex].AHName = ah;
+	}
+
+	// ------------------------------------------------------------------------------------------------
+	void CGroupSubMenu::setActionHandlerParam(uint lineIndex, const std::string &params)
+	{
+		if (lineIndex > _Lines.size())
+		{
+			nlwarning("Bad index");
+			return;
+		}
+		_Lines[lineIndex].AHParams = params;
+	}
+
 	// ------------------------------------------------------------------------------------------------
 	void CGroupSubMenu::setSelectable(uint lineIndex, bool selectable)
 	{
@@ -2596,6 +2618,20 @@ namespace NLGUI
 		return _RootMenu ? _RootMenu->getActionHandlerParam(lineIndex) : "";
 	}
 
+	// ------------------------------------------------------------------------------------------------
+	void CGroupMenu::setActionHandler(uint lineIndex, const std::string &ah)
+	{
+		if (_RootMenu)
+			_RootMenu->setActionHandler(lineIndex, ah);
+	}
+
+	// ------------------------------------------------------------------------------------------------
+	void CGroupMenu::setActionHandlerParam(uint lineIndex, const std::string &params)
+	{
+		if (_RootMenu)
+			_RootMenu->setActionHandlerParam(lineIndex, params);
+	}
+
 	// ------------------------------------------------------------------------------------------------
 	void CGroupMenu::setUserGroupRight(uint line, CInterfaceGroup *gr, bool ownerShip /*=true*/)
 	{