Hey Jack,
This is fairly simple. You can add multiple subpages by doing the following:
add_filter(‘acf/options_page/settings’,'my_options_page_settings’);
function my_options_page_settings($options)
{
$options['title'] = __(‘Partners’);
$options['pages'] = array(
(‘Partners’),
(‘Page Two’),
(‘Page Three’),
(‘Page Four’)
);
return $options;
}
You just add onto the array.