tag-rocket-ga4-windsor-ai-fetch_user_data-event.html

<script data-cfasync="false">   
/*
    Web Site Advantage: Tag Rocket GA4 Windsor.ai fetch_user_data event [v1.0] 
    Sends a GA4 fetch_user_data event with a user property for custom_client_id
    https://bigcommerce.websiteadvantage.com.au/tag-rocket/articles/tag-rocket-api/
    Copyright (C) 2023 Web Site Advantage
*/
!function(w,t){
    w[t]=w[t]||{};var T=w[t];T.i=T.i||[];if(!T.init)T.init=function(f){T.i.push(f)};
    
    T.init(function() { 
      
        T.on('GtagCommandPending',function(data, eventName){

            if (data.arguments[0] === 'config' && data.arguments.length >= 3) {
                var id = data.arguments[1];

                if (id.indexOf('G-') == 0) {

                    var options = data.arguments[2];

                    // Following Simo's pattern: https://github.com/gtm-templates-simo-ahava/gtag-get-api/blob/main/template.tpl
                    // more complex if want to get multiple values

                    gtag('get', id, 'client_id', function(client_id) {
                        gtag('event', 'fetch_user_data', {send_to: id, user_properties: {custom_client_id: ''+client_id+'.'}});
                    })
                }

            };         
        });
    })
}(window,"TagRocket")
</script>