<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-WFZMDD8F" height="0" width="0" style="display:none;visibility:hidden"></iframe>

Chat test

<!DOCTYPE html>
<html>
<head>
    <title>My Website</title>
</head>
<body>
    <!-- Your website content here -->

    <!-- Chat Widget (place this just before </body>) -->
     <script src="https://api.dmchamp.com/v1/chat-widget/oidyI6DszV5zSrTv5zwF"></script>
</body>
</html>

My Website

<!DOCTYPE html>
<html>
<head>
    <title>My Website</title>
</head>
<body>
    <!-- Your website content here -->

    <!-- Chat Widget (place this just before </body>) -->
     <script src="https://api.dmchamp.com/v1/chat-widget/oidyI6DszV5zSrTv5zwF"></script>
</body>
</html>

<script src="https://api.dmchamp.com/v1/chat-widget/oidyI6DszV5zSrTv5zwF"></script>