First, you register your setting like this: function my_awesome_register_fields_for_additional_settings(){ register_setting(‘reading’, ‘my_awesome_pagelink_for_frontend_button’); add_settings_field(‘my_awesome_pagelink_for_frontend_button’, ‘<label for=”my_awesome_pagelink_for_frontend_button”>The Frontend Button shall link to this page:</label>’ , ‘my_awesome_pagelink_for_frontend_button_html’, ‘reading’); } add_filter(‘admin_init’, ‘my_awesome_register_fields_for_additional_settings’); After that, you define the callback for your settings field: function my_awesome_pagelink_for_frontend_button_html(){ $option = (int)get_option(‘my_awesome_pagelink_for_frontend_button’,0); wp_dropdown_pages(array( ‘selected’ => $option, ‘name’ => ‘my_awesome_pagelink_for_frontend_button’, ‘show_option_none’ => ‘Please Choose’, ‘option_none_value’ => … Read more