Tips on Customizing Event Espresso – Event Registration & Ticketing Sales

How to Hide Event Espresso 4 Decaf Admin Menus

function plt_hide_event_espresso_decaf_menus() {
	//Hide "Event Espresso".
	remove_menu_page('espresso_events');
	//Hide "Event Espresso → Events".
	remove_submenu_page('espresso_events', 'espresso_events');
	//Hide "Event Espresso → Registrations".
	remove_submenu_page('espresso_events', 'espresso_registrations');
	//Hide "Event Espresso → Transactions".
	remove_submenu_page('espresso_events', 'espresso_transactions');
	//Hide "Event Espresso → Management".
	remove_submenu_page('espresso_events', 'management');
	//Hide "Event Espresso → Messages".
	remove_submenu_page('espresso_events', 'espresso_messages');
	//Hide "Event Espresso → Registration Form".
	remove_submenu_page('espresso_events', 'espresso_registration_form');
	//Hide "Event Espresso → Venues".
	remove_submenu_page('espresso_events', 'espresso_venues');
	//Hide "Event Espresso → Settings".
	remove_submenu_page('espresso_events', 'settings');
	//Hide "Event Espresso → General Settings".
	remove_submenu_page('espresso_events', 'espresso_general_settings');
	//Hide "Event Espresso → Payment Methods".
	remove_submenu_page('espresso_events', 'espresso_payment_settings');
	//Hide "Event Espresso → Extras".
	remove_submenu_page('espresso_events', 'extras');
	//Hide "Event Espresso → Maintenance".
	remove_submenu_page('espresso_events', 'espresso_maintenance_settings');
	//Hide "Event Espresso → Extensions  Services".
	remove_submenu_page('espresso_events', 'espresso_packages');
	//Hide "Event Espresso → Help  Support".
	remove_submenu_page('espresso_events', 'espresso_support');
	//Hide "Event Espresso → About".
	remove_submenu_page('espresso_events', 'espresso_about');
}

add_action('admin_menu', 'plt_hide_event_espresso_decaf_menus', 101);

Where do I put this code?

How to Hide the "Event Espresso Pages" Meta Box

function plt_hide_event_espresso_decaf_metaboxes() {
	$screen = get_current_screen();
	if ( !$screen ) {
		return;
	}

	//Hide the "Event Espresso Pages" meta box.
	remove_meta_box('add-extra-nav-menu-pages', $screen->id, 'side');
}

add_action('add_meta_boxes', 'plt_hide_event_espresso_decaf_metaboxes', 20);