Tips on Customizing Event Monster

How to Hide Event Monster Admin Menus

function plt_hide_event_monster_menus() {
	//Hide "Event Monster".
	remove_menu_page('edit.php?post_type=awl_event_monster');
	//Hide "Event Monster → Event Monster".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'edit.php?post_type=awl_event_monster');
	//Hide "Event Monster → Add New Event".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'post-new.php?post_type=awl_event_monster');
	//Hide "Event Monster → Event Categories".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'edit-tags.php?taxonomy=awplife-event-categories&post_type=awl_event_monster');
	//Hide "Event Monster → Visitors / Attendee".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-visitors-page');
	//Hide "Event Monster → Tickets PRO".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-upgrade-page-tickets');
	//Hide "Event Monster → Coupons PRO".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-upgrade-page-coupons');
	//Hide "Event Monster → Payments PRO".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-upgrade-page-payments');
	//Hide "Event Monster → Settings".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-setting-page');
	//Hide "Event Monster → Demo Data PRO".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-upgrade-page-demo');
	//Hide "Event Monster → 🚀 Go Premium".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-upgrade-page');
	//Hide "Event Monster → What's New".
	remove_submenu_page('edit.php?post_type=awl_event_monster', 'em-whats-new');
}

add_action('admin_menu', 'plt_hide_event_monster_menus', 100);

Where do I put this code?

How to Hide the "Event Monster Setting Panel" Meta Box

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

	//Hide the "Event Monster Setting Panel" meta box.
	remove_meta_box('em_event_details_metabox', $screen->id, 'normal');
}

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