Configuration<\/a><\/h2>\n\n\n\nFor proper measurement you need to implement 2 codes:<\/p>\n\n\n\n
\n- code on the product detail page<\/li>\n\n\n\n
- conversion code to the thank you page<\/li>\n<\/ol>\n\n\n\n
In both codes you need to correctly set the country where you have your Heureka account.<\/p>\n\n\n\n
<\/div>\n\n\n\nProduct detail<\/h2>\n\n\n\n
<\/a><\/p>\n\n\n\nTo set it up, just set the country and code type as “Item detail”.<\/p>\n\n\n\n![\"Konfigurace](\"data:image\/svg+xml;base64,PHN2ZyB3aWR0aD0iMSIgaGVpZ2h0PSIxIiB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciPjwvc3ZnPg==\")
<\/a><\/figure>\n\n\n\n<\/div>\n\n\n\nConversion code<\/a><\/h3>\n\n\n\nIn the template you need to set<\/p>\n\n\n\n
\n- Key<\/strong> – key for measuring the store. You can get it in Heureka administration.<\/li>\n\n\n\n
- Order<\/strong> – object Transactions in GA4 format<\/a> (or Universal Analytics –
ecommerce.purchase<\/code>).<\/li>\n\n\n\n- Order Id<\/strong> – unique ID of the order<\/li>\n\n\n\n
- Currency<\/strong> – three-digit currency code according to ISO 4217. E.g. CZK, EUR, USD<\/li>\n\n\n\n
- Products<\/strong> – product field (object). Each product is expected to have attributes
id<\/code> (or item_id<\/code>), name<\/code> (or item_name<\/code>), price<\/code> and quantity<\/code>.<\/li>\n\n\n\n- Additional Items<\/strong> (optional) – additional items can be entered in the field that affect the total price of the order. For example, shipping, payment, vouchers or discounts.<\/li>\n<\/ul>\n\n\n\n
If a transaction object is inserted, as much data as possible is loaded from it – order ID, total price, products, additional items.<\/p>\n\n\n\n
<\/div>\n\n\n\nExamples<\/a>
<\/a><\/h3>\n\n\n\nRetrieve from variables<\/h4>\n\n\n\n<\/figure>\n\n\n\n<\/div>\n\n\n\nUsing the Transaction object Data is in purchase format for GA4<\/a><\/h4>\n\n\n\n<\/figure>\n\n\n\n<\/div>\n\n\n\nEntering additional costs <\/h4>\n\n\n\n<\/figure>\n\n\n\n<\/div>\n\n\n\nDebugging<\/h2>\n\n\n\n
In the GTM Debug Mode, find the event where the Heureka measurement tag is triggered. You can then view all passed parameters in the console. When the data has been sent to Heureka, the success<\/code> status must be given at the end.<\/p>\n\n\n\n<\/figure>\n\n\n\n<\/div>\n\n\n\nConsent<\/h2>\n\n\n\n
The template does not handle consent status. Heureka states in the documentation<\/a> that codes should be run without consent – it follows the consent granted on the Heureka site. However, consult your lawyers for this solution, I am not responsible for its correctness.<\/p>\n\n\n\n<\/div>\n\n\n\nOther<\/h2>\n\n\n\n
<\/a><\/p>\n\n\n\nDisclaimers<\/a><\/h3>\n\n\n\nI develop the template in my spare time to save you time and work. I am not responsible for its use or any damage caused by its use. The template downloads scripts from a third party (Heureka.cz), according to the documentation published by Heureka.cz. I am not responsible for any shortcomings in terms of GDPR.<\/p>\n\n\n\n
In both codes you need to correctly set the country where you have your Heureka account.<\/p>\n\n\n\n
Product detail<\/h2>\n\n\n\n
<\/a><\/p>\n\n\n\n To set it up, just set the country and code type as “Item detail”.<\/p>\n\n\n\n In the template you need to set<\/p>\n\n\n\n If a transaction object is inserted, as much data as possible is loaded from it – order ID, total price, products, additional items.<\/p>\n\n\n\n In the GTM Debug Mode, find the event where the Heureka measurement tag is triggered. You can then view all passed parameters in the console. When the data has been sent to Heureka, the The template does not handle consent status. Heureka states in the documentation<\/a> that codes should be run without consent – it follows the consent granted on the Heureka site. However, consult your lawyers for this solution, I am not responsible for its correctness.<\/p>\n\n\n\n <\/a><\/p>\n\n\n\n I develop the template in my spare time to save you time and work. I am not responsible for its use or any damage caused by its use. The template downloads scripts from a third party (Heureka.cz), according to the documentation published by Heureka.cz. I am not responsible for any shortcomings in terms of GDPR.<\/p>\n\n\n\n![\"Konfigurace](\"https:\/\/github.com\/pavelsabatka\/gtm-heureka\/raw\/main\/img\/heureka-item-detail.png\")
<\/a><\/figure>\n\n\n\nConversion code<\/a><\/h3>\n\n\n\n
\n
ecommerce.purchase<\/code>).<\/li>\n\n\n\nid<\/code> (or item_id<\/code>), name<\/code> (or item_name<\/code>), price<\/code> and quantity<\/code>.<\/li>\n\n\n\nExamples<\/a>
<\/a><\/h3>\n\n\n\nRetrieve from variables<\/h4>\n\n\n\n
![\"\"](\"https:\/\/www.sabatka.net\/wp-content\/uploads\/2026\/03\/image-890x1024.png\")
<\/figure>\n\n\n\nUsing the Transaction object Data is in purchase format for GA4<\/a><\/h4>\n\n\n\n
![\"\"](\"https:\/\/www.sabatka.net\/wp-content\/uploads\/2026\/03\/image-1-937x1024.png\")
<\/figure>\n\n\n\nEntering additional costs <\/h4>\n\n\n\n
![\"\"](\"https:\/\/www.sabatka.net\/wp-content\/uploads\/2026\/03\/heureka-purchase-additiona-items-1024x280.png\")
<\/figure>\n\n\n\nDebugging<\/h2>\n\n\n\n
success<\/code> status must be given at the end.<\/p>\n\n\n\n![\"\"](\"https:\/\/www.sabatka.net\/wp-content\/uploads\/2026\/03\/heureka-debug-1024x944.png\")
<\/figure>\n\n\n\nConsent<\/h2>\n\n\n\n
Other<\/h2>\n\n\n\n
Disclaimers<\/a><\/h3>\n\n\n\n