How to test and implement data layer in Google Tag Manager for Google Analytics

Question

We are using enhanced eCommerce tracking by using data layer, to setup and test it in local environment. We can see page views in analytics but the event and impressions are not triggered. I tried using this:

dataLayer.push({ 
    'ecommerce': { 'Impression': [ { 'name': '${product.name}' ,'id': '${product.code}' }]}

});

dataLayer.push({
     'ecommerce': 
     { 'detail': 
        {    'products': 
                    [{ 
                        'name':  '${product.name}',  
                        'id': '${product.code}',
                        'variant': '${product.style}' 
                    }]
        } 
    } 
});

But I don't know how to test in local. I have tested using Google tag manager Debug mode, but it shows datalayer has been pushed but I can't track that event in Google Analytics

nyuen nyuen · Accepted Answer · 2014-11-04T15:41:10

At least for the impressions, it looks like you are not using the correct parameter name (you have "Impression", but it should be "impressions"). Impressions should be measured as such, taken from this guide, https://developers.google.com/tag-manager/enhanced-ecommerce:

// Product impressions are sent by pushing an impressions object
// containing one or more impressionFieldObjects.
dataLayer.push({
  'ecommerce': {
    'currencyCode': 'EUR',                       // Local currency is optional.
    'impressions': [
     {
       'name': 'Triblend Android T-Shirt',       // Name or ID is required.
       'id': '12345',
       'price': '15.25',
       'brand': 'Google',
       'category': 'Apparel',
       'variant': 'Gray',
       'list': 'Search Results',
       'position': 1
     }]
  }
});

How to test and implement data layer in Google Tag Manager for Google Analytics

3 Answers