const sendMessageEventHandler = event => { if (event.data?.event_source !== 'ikeono' && event.data?.event_name !== 'send_message') return; console.log(`Received event from ikeono`, event.data) // Here you can call gtag('event') // https://developers.google.com/analytics/devguides/collection/ga4/events?client_type=gtag } window.addEventListener(sendMessageEventHandler)