Tips on Customizing User Access Manager

How to Hide User Access Manager Admin Menus

function plt_hide_user_access_manager_menus() {
	//Hide "UAM".
	remove_menu_page('uam_user_group');
	//Hide "UAM → Manage user groups".
	remove_submenu_page('uam_user_group', 'uam_user_group');
	//Hide "UAM → Settings".
	remove_submenu_page('uam_user_group', 'uam_settings');
	//Hide "UAM → Setup".
	remove_submenu_page('uam_user_group', 'uam_setup');
	//Hide "UAM → About".
	remove_submenu_page('uam_user_group', 'uam_about');
}

add_action('admin_menu', 'plt_hide_user_access_manager_menus', 11);

Where do I put this code?

How to Hide the "Access" Meta Box

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

	//Hide the "Access" meta box.
	remove_meta_box('uam_post_access', $screen->id, 'side');
}

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