<% with $EditForm %>
<% with $Controller %> <% include SilverStripe\\Admin\\CMSBreadcrumbs %> <% end_with %>
<% if $Fields.hasTabset %> <% with $Fields.fieldByName('Root') %>
    <% loop $Tabs %> class="$extraClass"<% end_if %>>$Title <% end_loop %>
<% end_with %> <% end_if %> <% end_with %>
$EditForm