whmcsDNSManager/modules/addons/DNSManager2/templates/admin/pages/zones/modal/import-zone.tpl

<div class="modal modal-lg" id="import-zone-modal">
    <div class="modal-dialog">
        <div class="modal-content">
            <div class="modal-header">
                <button type="button" class="close" data-dismiss="modal"><span aria-hidden="true">&times;</span><span class="sr-only">{$MGLANG->T('close')}</span></button>
                <h4 class="modal-title">{$MGLANG->T('importZoneFromFile')} <small>{$zone_name}</small></h4>
            </div>
            <div class="modal-body">
                {if !$isReadable}
                    <ul class="list-group">
                        <li class="list-group-item list-group-item-danger">
                            {$MGLANG->T('to_enable_the_feature')}:<br />
                            {$MGLANG->T('please_set')} {$storagePath} {$MGLANG->T('directory_as')} {$MGLANG->T('readable')}<br />
                        </li>
                    </ul>
                {else}
                    <form class="form-group">
                        <input type="hidden" name="id" value="{$id}" />
                        <label for="fileName" class="col-sm-3 control-label">{$MGLANG->T('choseFileForImport')}</label>
                        <div class="col-sm-9">
                            <select name="fileNameForImport" id="fileName" class="select2" id="fs8">
                                {foreach from=$filesList item="file"}
                                    <option value="{$file}">{$file}</option>
                                {/foreach}
                            </select>
                        </div>
                    </form>
                {/if}
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">{$MGLANG->T('close')}</button>
                <button type="button" class="btn btn-primary btn-inverse" data-act="confirmImportFromFile">{$MGLANG->T('importZoneFromFile')}</button>
            </div>
        </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
</div><!-- /.modal -->