sample.cpp

class CfgPatches {
    class E_TEST_ADDON {
        name = "My Test Addon";
        units[] = {};
        weapons[] = {};
        requiredVersion = 2.04;
        requiredAddons[] = { "vn_emm_main_menu" };
        author = "Heyoxe";
    };
};

class vn_RscButtonMainMenu_ButtonListButton_7;
class CustomLinkButton: vn_RscButtonMainMenu_ButtonListButton_7 {
    url = "https://example.com";
};

class EMM_mainMenu_CfgMenus {
    class VN { // That's the VN main menu config
        class Menus {
            class CustomMenu {
                items[] = { // Defines the order of elements in the main button list
                    "ARandomButton",
                    "ARandomLinkButton",
                    "CommunityGuides",
                    "Connect",
                    "Exit" // "Exit" class is always aligned to bottom of button list
                };

                class ARandomButton {
                    idc = -1;
                    text = "Hello World!";
                    tooltip = "Hello World!";
                    action = "systemChat str [diag_tickTime, isUIContext, 'Hello World!']";
                    control = "vn_RscButtonMainMenu_ButtonListButton_7";
                };

                class ARandomLinkButton: ARandomButton {
                    text = "My link button";
                    tooltip = "I link to somewhere";
                    action = "";
                    control = "CustomLinkButton";
                };

                class CommunityGuides: ARandomButton { // Just to show how to show a custom display/dialog on top of the menu
                    idc = 204;
                    text = "$STR_A3_RscDisplayMain_ButtonCommunityGuide";
                    tooltip = "$STR_A3_RscDisplayMain_ButtonCommunityGuide_tooltip";
                    action = "(ctrlparent (_this select 0)) createDisplay 'RscDisplayCommunityGuide'";
                };

                class Exit: ARandomButton {
                    idc = -1;
                    text = "$STR_VN_EMM_MAIN_MENU_SHARED_BACK";
                    tooltip = "";
                    action = "with uiNamespace do {['Extras'] call VN_EMM_mainMenu_fnc_showMenu}"; // Or you can replace 'Extras' by 'MainMenu' if you want to go back all the way
                };
            };

            class Extras {
                items[] = {
                    "Credits",
                    "Expansions",
                    "CommunityGuides",
                    "Sitrep",
                    "CustomMenuButton",
                    "Exit"
                };

                class CustomMenuButton { // You are not required to make another submenu, but I'll make one just to show you how to do it
                    action = "with uiNamespace do {['CustomMenu'] call VN_EMM_mainMenu_fnc_showMenu}"; // onButtonClick event. If not defined or empty, control will be a label.
                    // With the current action, this will open a sub-menu called "CustomMenu" (configFile >> "EMM_mainMenu_CfgMenus" >> "VN" >> "Menus" >> "CustomMenu" in our case)
                    condition = "'SGD' in profileName";// Control is created if condition returns true (not defined/empty string is also considered true)
                    control = "vn_RscButtonMainMenu_ButtonListButton_7"; // Control class (Default button/label class when not defined)
                    idc = -1; // Control idc (-1 when not defined)
                    text = "My custom menu";
                    tooltip = "My super duper awesome menu"; // Control tooltip  (not required)
                };
            };
        };
    };
};