<div class="modal-header">
    <button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>
    <h3><?= __('Search characters') ?></h3>
</div>

<form id="search-characters" action="<?= admin_url_to('/characters') ?>">
    <?= csrf_field() ?>

    <div class="modal-body">
        <div class="form-group">
            <label for="name" class="form-control-label"><?= __('Name') ?></label>
            <input type="text" class="form-control" id="name" name="name" />
        </div>
    </div>

    <div class="modal-footer">
        <input type="submit" data-send-modal-form="search-characters" class="btn btn-primary" value="<?= __('Search') ?>" />
    </div>
</form>