In your code, like in the function addon_name_content(), load the template file and execute it passing needed values:
```php
+use Friendica\Core\Renderer;
+
# load template file. first argument is the template name,
# second is the addon path relative to friendica top folder
$tpl = Renderer::getMarkupTemplate('mytemplate.tpl', __DIR__);
### src/Content/ContactSelector.php
Hook::callAll('network_to_name', $nets);
- Hook::callAll('gender_selector', $select);
- Hook::callAll('sexpref_selector', $select);
- Hook::callAll('marital_selector', $select);
### src/Content/OEmbed.php