// options.xml
<template id="testobox_opt" name="Testobox" inherit_id="website.snippet_options">
<xpath expr="//div[@data-js='background']" position="after">
<div data-selector=".snippet_testobox"> <!-- Options group -->
<li class="dropdown-submenu">
<a href="#">Your Option</a>
<ul class="dropdown-menu"> <!-- Options list -->
<li data-select_class="opt_shadow"><a>Shadow Images</a></li>
<li data-select_class="opt_grey_bg"><a>Grey Bg</a></li>
<li data-select_class="opt_border"><a>Border</a></li>
<li data-select_class=""><a>None</a></li>
</ul>
</li>
</div>
</xpath>
</template>
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