icingaweb2/modules/monitoring/application/views/scripts/multi/components/downtimes.phtml

<?php
    $objectName = $this->is_service ? 'Services' : 'Hosts';
?>

<tr class="newsection">
    <th>
        Downtimes
    </th>
    <td>
        <span> <?= count($downtimes) ?> </span> <?= $objectName ?> Selected items are currently in downtime.
    </td>
    <td>
        <a
            title="Schedule downtimes for all selected <?= $objectName ?>"
            href="<?= $this->href('monitoring/command/scheduledowntime', $this->target); ?>"
        >
            <?= $this->icon('in_downtime_petrol.png') ?> Schedule Downtimes
        </a> <br />

        <a
            href="<?=$this->href('monitoring/command/removedowntime', $this->target); ?>"
        >
            <?= $this->icon('remove_petrol.png') ?> Remove Downtimes
        </a> <br />

        <a
            title="Remove all acknowledgements from all selected hosts or services"
            href="<?=$this->href('monitoring/command/removeacknowledgement', $target);?>"
        >
            <?= $this->icon('remove_petrol.png') ?> Remove Acknowledgements
        </a>
    </td>
</tr>