Provide your GA4 property ID and a service account JSON.
Usage:
service-account.json in /home/clickont/domains/clickontools.site/public_html OR pass ?key_path=C:\path\to\service-account.json./ga4-monitor.php?property_id=123456789 (use your GA4 property id).Viewer role.Find the GA4 property ID in GA Admin → Property Settings.