icingaweb2/modules/monitoring/application/views/scripts/show/components/properties.phtml

<?php
$object = null;

if (isset($this->service)) {
    $object = $this->service;
} elseif (isset($this->host)) {
    $object = $this->host;
}

$properties = $this->monitoringProperties($object);
?>
<table class="table table-bordered">
  <?php foreach ($properties as $label => $value): ?>
  <tr>
    <th><?= $label ?></th>
    <td><?= $value ?></td>
  </tr>
  <?php endforeach; ?>
</table>