event registration

<?php
function addNewUser($form) {
    global $modx;
    $groupid = 1; // id of the group you want to assign the user to
    // create user using email as username
    // can use a username form field instead if desired
    $table = $modx->getFullTableName('web_users');
    $fields = array('username' => $form['frEmail'],
                            'password' => $form['frLastname']
                            );
    $modx->db->insert($fields,$table);
    $uid = $modx->db->getInsertId();
    // add user attributes
    $table = $modx->getFullTableName('web_user_attributes');
    $fields = array('internalKey'    => $uid,
            'fullname'    => $form['frFirstame'] . ' ' . $form['frLastname'],
            'email'    => $form['frEmail'],
            'phone'    => $form['frPhone'],
            'blocked'    => 1,
            'gender'    => $form['frGender'],
            'country'    => $form['frCountry'],
            'state'    => $form['frState'],
            'zip'    => $form['frZip'],
            );
    $modx->db->insert($fields, $table);
    // add user to group
    $table =  $modx->getFullTableName('web_groups');
    $fields = array('webgroup' => $groupid,
                            'webuser' => $uid
                           );
    $modx->db->insert($fields,$table);

return;
}
?>