backend.menu.extendItems

Triggered in Backend\Classes\NavigationManager.

Provides an opportunity to manipulate the backend navigation

Example usage:

Event::listen('backend.menu.extendItems', function ((\Backend\Classes\NavigationManager) $navigationManager) {
    $navigationManager->addMainMenuItems(...)
    $navigationManager->addSideMenuItems(...)
    $navigationManager->removeMainMenuItem(...)
});