freemius-gtm-conversion-tracking.js

// First you'll need to load the gtag.js library

function load_library(){
    echo '<script async src="https://www.googletagmanager.com/gtag/js?id=GA_UA_PROPERTY_ID"></script>';
}

// Then output the conversion tracking scripts
// The Google Ads conversion ID must include the "AW-" in front of the number

function (response)
{

    let
        isTrial = (null != response.purchase.trial_ends),
        isSubscription = (null != response.purchase.initial_amount),
        total = isTrial ? 0 : (isSubscription ? response.purchase.initial_amount : response.purchase.gross).toString(),
        productName = 'PLUGIN_NAME',
        storeName   = 'PLUGIN_STORE_NAME';
        googleAdsConversionId = 'GOOGLE_ADS_CONVERSION_ID';
        googleAdsConversionLabel = 'GOOGLE_ADS_CONVERSION_LABEL';
        googleAnalyticsUniversalPropertyId = 'GA_UA_PROPERTY_ID';
        googleAnalytics4MeasurementId = 'GA4_MEASUREMENT_ID';
        facebookPixelId = 'FACEBOOK_PIXEL_ID';

    window.dataLayer = window.dataLayer || [];

    function gtag()
    {
        dataLayer.push(arguments);
    }

    gtag('js', new Date());

    gtag('config', googleAnalyticsUniversalPropertyId, { 'anonymize_ip': 'true' });
    gtag('config', googleAnalytics4MeasurementId);
    gtag('config', googleAdsConversionId);

    gtag('event', 'purchase', {
        'send_to': [googleAnalyticsUniversalPropertyId, googleAnalytics4MeasurementId],
        'transaction_id': response.purchase.id.toString(),
        'currency': 'USD',
        'discount': 0,
        'items': [{
            'id': response.purchase.plan_id.toString(),
            'quantity': 1,
            'price': total,
            'name': productName,
            'category': 'Plugin',
        }],
        'affiliation': storeName,
        'value': response.purchase.initial_amount.toString()
    });

    gtag('event', 'conversion', {
        'send_to': googleAdsConversionId + '/' + googleAdsConversionLabel,
        'value': response.purchase.initial_amount.toString(),
        'currency': 'USD',
        'transaction_id': response.purchase.id.toString()
    });

    !function(f,b,e,v,n,t,s)
    {if(f.fbq)return;n=f.fbq=function(){n.callMethod?
    n.callMethod.apply(n,arguments):n.queue.push(arguments)};
    if(!f._fbq)f._fbq=n;n.push=n;n.loaded=!0;n.version='2.0';
    n.queue=[];t=b.createElement(e);t.async=!0;
    t.src=v;s=b.getElementsByTagName(e)[0];
    s.parentNode.insertBefore(t,s)}(window, document,'script',
    'https://connect.facebook.net/en_US/fbevents.js');

    fbq('init', facebookPixelId);
    fbq('track', 'PageView');

    fbq('track', 'Purchase', {
        currency: 'USD',
        value: total
    });
}