GA4 Purchase Event duplicate

pasta_paul

We are running GA4 measurements with GTM embedded in our Shopify store. It is generally working fine, but the purchase event is occasionally firing in duplicate. I checked the search report and found several pages with 2 purchase events and 1 display count. (Not all, but only some of them.) We created a test environment and ran the operation several times, but the same phenomenon did not occur. I think that GTM is probably sending the purchase...

Originally asked by nni on Stack Exchange (stackoverflow) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

Having similar issue in Shopify Plus store. Not only purchase, but events view_item , add_to_cart are triggered twice. This view_item marked 34 on screenshot event is gtag event pushed to datalayer automatically , at the same time event view_item marked 36 is my datalayer push Tried to investigate why is it pushed automatically and found this push in Console .Seems these duplicating events are connected with Google Shopping App conversion events because when I compared conversion labels of them in my Google Ads account , they were the same as in Tag Assistant extension and in Google Ads account (last picture contains begin_checkout event label, view_item conversion was deleted) This app is...

Full answer by Mitrodol: https://stackoverflow.stackexchange.com/a/74266851 (CC BY-SA 4.0).

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