Tawk

Tracking In Tag Manager

Tawk has an API for tracking.
https://developer.tawk.to/jsapi/

<script>
(function() {
    function tawkDataLayerEvent( eventName ) {
        var dataLayer = window.dataLayer || [];
        dataLayer.push({'event' : 'tawk-' + eventName});
    }
    Tawk_API = Tawk_API || {};
    if( Tawk_API ) {
        Tawk_API.onLoad                        = function(){ tawkDataLayerEvent('loaded'); };
        Tawk_API.onStatusChange        = function(){ tawkDataLayerEvent('status-changed'); };
        Tawk_API.onBeforeLoad            = function(){ tawkDataLayerEvent('before-load'); };
        Tawk_API.onChatMaximized    = function(){ tawkDataLayerEvent('chat-maximised'); };
        Tawk_API.onChatMinimized    = function(){ tawkDataLayerEvent('chat-minimised'); };
        Tawk_API.onChatHidden            = function(){ tawkDataLayerEvent('chat-hidden'); };
        Tawk_API.onChatStarted        = function(){ tawkDataLayerEvent('chat-started'); };
        Tawk_API.onChatEnded            = function(){ tawkDataLayerEvent('chat-ended'); };
        Tawk_API.onPrechatSubmit    = function(){ tawkDataLayerEvent('prechat-submitted'); };
        Tawk_API.onOfflineSubmit    = function(){ tawkDataLayerEvent('offline-submitted'); };
    }
})();
</script>