ACF options page

/*
 * Add options page
 */
if( function_exists('acf_add_options_page') ) {
 
	$option_page = acf_add_options_page(array(
		'menu_title' 	=> __('Theme options','textdomain'),
		'menu_slug' 	=> 'mytheme-settings',
		'capability' 	=> 'edit_posts',
		'redirect' 	=> true
	));
	acf_add_options_sub_page(array(
		'page_title' 	=> __('General options','textdomain'),
		'menu_title' 	=> __('General options','textdomain'),
		'menu_slug' 	=> 'mytheme-settings-general',
		'capability' 	=> 'edit_posts',
		'parent_slug' 	=> $option_page['menu_slug']
	));
	acf_add_options_sub_page(array(
		'page_title' 	=> __('Additional options','textdomain'),
		'menu_title' 	=> __('Additional options','textdomain'),
		'menu_slug' 	=> 'mytheme-settings-additional',
		'capability' 	=> 'edit_posts',
		'parent_slug' 	=> $option_page['menu_slug']
	));
}