notification_area.xml

<?xml version="1.0" encoding="UTF-8"?>
<!--
/**
 * Copyright © Magento, Inc. All rights reserved.
 * See COPYING.txt for license details.
 */
-->
<listing xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:noNamespaceSchemaLocation="urn:magento:module:Magento_Ui:etc/ui_configuration.xsd">
    <argument name="data" xsi:type="array">
        <item name="js_config" xsi:type="array">
            <item name="provider" xsi:type="string">notification_area.notification_area_data_source</item>
        </item>
    </argument>
    <settings>
        <spinner>columns</spinner>
        <deps>
            <dep>notification_area.notification_area_data_source</dep>
        </deps>
    </settings>
    <dataSource name="notification_area_data_source" component="Magento_Ui/js/grid/provider">
        <settings>
            <storageConfig>
                <param name="indexField" xsi:type="string">identity</param>
            </storageConfig>
            <updateUrl path="mui/index/render"/>
        </settings>
        <aclResource>Magento_AdminNotification::show_list</aclResource>
        <dataProvider class="Magento\AdminNotification\Ui\Component\DataProvider\DataProvider" name="notification_area_data_source">
            <settings>
                <requestFieldName>identity</requestFieldName>
                <primaryFieldName>identity</primaryFieldName>
            </settings>
        </dataProvider>
    </dataSource>
    <columns name="columns" component="Magento_AdminNotification/js/grid/listing" template="Magento_AdminNotification/grid/listing">
        <column name="created_at" component="Magento_AdminNotification/js/grid/columns/message" sortOrder="30">
            <settings>
                <dataType>text</dataType>
                <label translate="true"/>
                <sorting>asc</sorting>
            </settings>
        </column>
    </columns>
</listing>