Google Campaign Manager (doubleclick) Floodlight Sales Tag Placement

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Hey All -


I'm facing a problem that is delaying a bunch ad campaigns and could use some help. I am attempting to place Google Campaign Manager (doubleclick) floodlight tags that collect revenue and product information for sales on a Shopify site. I haven't found any good resources that outline how to place this tracking so I used Shopify's Google Ads conversion tracking as an initial resource (article here). Given the way shopify checkout works with Google Tag Manager, I placed the conversions pixel with the Global Site Tag on checkout settings "additional scripts" field. Here is the script I saved (I have removed client name and advertising ID):


<!-- Start of global snippet: Please do not remove

Place this snippet between the <head> and </head> tags on every page of your site.


<!-- Global site tag (gtag.js) - Google Marketing Platform -->

<script async src=""></script>


  window.dataLayer = window.dataLayer || [];

  function gtag(){dataLayer.push(arguments);}

  gtag('js', new Date());


  gtag('config', 'DC-12345678');


<!-- End of global snippet: Please do not remove -->


Event snippet for Client Name - Complete Sales on Please do not remove.

Place this snippet on pages with events you’re tracking.

Creation date: 01/11/2022



  gtag('event', 'purchase', {

    'allow_custom_scripts': true,

    'value': {{ checkout.subtotal_price | divided_by: 100.0 }},

    'transaction_id': '{{ order_number }}',

    'send_to': 'DC-11308938/sales0/power0+transactions',

    'u2': '{{ currency }}'




<img src=;type=mains0;cat=accou0;dc_lat=;dc_rdid=;tag_for... width="1" height="1" alt=""/>


<!-- End of event snippet: Please do not remove -->


The shop's main currency is USD. u2 is a custom property in campaign manager. The pixel has been placed for several days, all of which that registered transactions, and Campaign manager is not registering any pixel impressions.


Additional note: I placed a conversion linker and non-sales related floodlight counters via Google Tag Manager and those pixels are registering pixel impressions.


Any help is greatly appreciated. 


@EmmanuelFlossie @josh_eubergang 


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