`vtupress_email_template`
Modify or completely replace the HTML email layouts generated by VTUPress.
**Before:**
```html
<div class="email-body">Hello User...</div>
```**Hook Example:**
```php
add_filter('vtupress_email_template', function($html_content, $email_type) {
$custom_footer = "<hr><p>Thank you for using our App!</p>";
return str_replace("</div>", $custom_footer . "</div>", $html_content);
}, 10, 2);
```**After:**
```html
<div class="email-body">
Hello User...
<hr />
<p>Thank you for using our App!</p>
</div>
```—