additional section code

Hello!
I have one problem with adding new section code to fe_bootstrap.html5 template!
In layout have added new section MainTop, but I must to add it directly to html5 template.
when I add it on frontend get error!
Here is my addition code

HTML Code:

---

<?php $this->block('id-08-MainTop'); ?>
<?php if ($this->id-08-MainTop): ?>
<?= $this->id-08-MainTop ?>
<?php endif; ?>
<?php $this->endblock(); ?>

---

any solution for it!?
Thank's & Regards all of you!

PHP Code:

---

<?php $this->section('MainTop'); ?>

---

:-) great!
you are the best!
thank's a lot!!