Custom filter for adding new sites to MainWP Dashboard

add-sites.php

<?php

// Available parameters: url, name, wpadmin, unique_id, groupids, ssl_verify, ssl_version, http_user, http_pass

$params = array(
   'url' => 'demosite.com',
   'name' => 'Site Friendly Name',
   'wpadmin' => 'adminusername',
   'unique_id' => 'unique_id'
);
$result = apply_filters( 'mainwp_addsite', $params );