How to send order id and order value data to Google Ads Conversions

1

Hi, I added Google Ads Conversion tag in thank you page. I want know how to pass the order revenue to the conversions.

Please check the below code,

<script>
  gtag('event', 'conversion', {
      'send_to': 'AW-11135802312',
      'value': 1.0,
      'currency': 'GBP',
      'transaction_id': ''
  });
</script>