<tile>
    <visual lang="en-US">
        <binding template="TileWideSmallImageAndText04">
            <image id="1" src="URLOFIMG" alt="alt text"/>
            <text id="1">Some Text</text>
            <text id="2">Text Field 2</text>
        </binding>
        <binding template="TileWideSmallImageAndText04">
            <image id="1" src="URL2" alt="alt text"/>
            <text id="1">SOME TEXT</text>
            <text id="2">Text Field 2</text>
        </binding>
        <binding template="TileWideSmallImageAndText04">
            <image id="1" src="URL" alt="alt text"/>
            <text id="1">TEXT</text>
            <text id="2">Text Field 2</text>
        </binding>
    </visual>
</tile>

private void SendTileNotificationWithStringManipulation_Click(object sender, RoutedEventArgs e)
    {
        Button button = sender as Button;
        if (button != null)
        {
            string tileXmlString = "<tile>"
                                 + "<visual>"
                                 + "<binding template='TileWideText04'>"
                                 + "<text id='1'>Send to a secondary tile from strings</text>"
                                 + "</binding>"
                                 + "<binding template='TileSquareText04'>"
                                 + "<text id='1'>Send to a secondary tile from strings</text>"
                                 + "</binding>"
                                 + "</visual>"
                                 + "</tile>";

            Windows.Data.Xml.Dom.XmlDocument tileDOM = new Windows.Data.Xml.Dom.XmlDocument();
            tileDOM.LoadXml(tileXmlString);
            TileNotification tile = new TileNotification(tileDOM);

            // Send the notification to the secondary tile by creating a secondary tile updater
            TileUpdateManager.CreateTileUpdaterForSecondaryTile(MainPage.dynamicTileId).Update(tile);

            rootPage.NotifyUser("Tile notification sent to " + MainPage.dynamicTileId, NotifyType.StatusMessage);
        }
    }