GA4 - payment_error - Duni

//Fire this event when an error occurs during payment and the transaction is not successful.

<script>
window.dataLayer = window.dataLayer || [];
window.dataLayer.push({
 'event': 'payment_error',
 'payment_method': 'card',  //Variable value
 'error_type': 'card expired'  //Variable value
 });
</script>