settings.php

<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle.  If not, see <http://www.gnu.org/licenses/>.

/**
 * Settings file for filter_ucsfezproxy plugin.
 *
 * @package    filter_ucsfezproxy
 * @copyright  The Regents of the University of California
 * @license    http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
 */

defined('MOODLE_INTERNAL') || die();

require_once($CFG->dirroot.'/filter/ucsfezproxy/filter.php');

if ($ADMIN->fulltree) {
    $settings->add(
        new admin_setting_configtext(
            'filter_ucsfezproxy/prefixurl',
            new lang_string('prefixurl', 'filter_ucsfezproxy'),
            new lang_string('prefixurl_help', 'filter_ucsfezproxy'),
            filter_ucsfezproxy::DEFAULT_PROXY_PREFIX,
            PARAM_URL
        )
    );
}