<?php

$settings->add(new admin_setting_heading(
            'gradelevel/headerconfig',
            get_string('headerconfig', 'block_gradelevel'),
            get_string('descconfig', 'block_gradelevel')
        ));
 
$settings->add(new admin_setting_configtext(
            'gradelevel/blocktitle',
            get_string('labeltitle', 'block_gradelevel'),
            get_string('desctitle', 'block_gradelevel'),
            get_string('title', 'block_gradelevel')
        ));