icingaweb2/modules/monitoring/application/views/scripts/config/editbackend.phtml

<?= $this->tabs->render($this); ?>
<?php if ($this->name): ?>
  <h4><i>{{EDIT_ICON}} Edit Backend "<?= $this->escape($this->name) ?>"</h4>
<?php else: ?>
  <h4>{{CREATE_ICON}} Create New Backend</h4>
<?php endif; ?>

<?php if ($this->error): ?>
<div class="alert alert-danger">
  <?= $this->escape($this->error); ?>
</div>
<?php endif; ?>

<?= $this->form; ?>