whmcsDNSManager/modules/addons/DNSManager2/templates/admin/pages/settings/modal/exclude.tpl

<div class="modal fade">
    <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('exclude')}</h4>
            </div>
            <div class="modal-body">
                <form class="form-horizontal" role="form">
                    <input name="type" type="hidden" value="{$type}" />
                    <div class="form-group">
                        <label for="a1" class="col-sm-3 control-label">{$MGLANG->T('domains')}</label>
                        <div class="col-sm-9">
                            <select class="select2" id="a1" name="domains[]" multiple="">
                                {foreach from=$domains item="domain"}
                                    <option value="{$domain.id}" {if in_array($domain.id, $selected[0])}selected=""{/if}>{$domain.extension}</option>
                                {/foreach}
                            </select>
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="a2" class="col-sm-3 control-label">{$MGLANG->T('products')}</label>
                        <div class="col-sm-9">
                            <select class="select2" id="a2" name="products[]" multiple="">
                                {foreach from=$products key="group_name" item="group_products"}
                                    <optgroup label="{$group_name}">
                                        {foreach from=$group_products key="product_id" item="product_name"}
                                            <option value="{$product_id}" {if in_array($product_id, $selected[1])}selected=""{/if}>{$product_name}</option>
                                        {/foreach}
                                    </optgroup>
                                {/foreach}
                            </select>
                        </div>
                    </div>
                    <div class="form-group">
                        <label for="a3" class="col-sm-3 control-label">{$MGLANG->T('addons')}</label>
                        <div class="col-sm-9">
                            <select class="select2" id="a3" name="addons[]" multiple="">
                                {foreach from=$addons item="addon"}
                                    <option value="{$addon.id}" {if in_array($addon.id, $selected[2])}selected=""{/if}>{$addon.name}</option>
                                {/foreach}
                            </select>
                        </div>
                    </div>
                </form>
            </div>
            <div class="modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">{$MGLANG->T('close')}</button>
                <button type="button" class="btn btn-primary btn-inverse" data-act="excludeNotificationSave">{$MGLANG->T('save')}</button>
            </div>
        </div><!-- /.modal-content -->
    </div><!-- /.modal-dialog -->
</div><!-- /.modal -->