<script>
dataLayer.push({
  'event':  'orderCompleted',
  'ecommerce': {
    'purchase': {
      'actionField': {
        'id': '190704229',        //required
       'affiliation': '',
        'revenue': '27.80',
        'tax':'1.99',
        'shipping': '7.90',
        'coupon': ''
      },
      'products': [{
        'name': 'Erlebnisangebot 2 Flüge',     //name or ID requires
        'id': '12345',
        'price': '89.00',
        'brand': 'Windwerk',
        'quantity': 1,
        'coupon': 'TESTADW'                          },
       {
        'name': 'Video und Foto',
        'id': '12346',
        'price': '19.00',
        'brand': 'Windwerk',
        'quantity': 1
       },
{
        'name': 'versand',
        'id': '12347',
        'price': '7.90',
        'brand': 'Windwerk',
        'quantity': 1
       }]
    }
  }
});
</script>