Set up Tracking of Transactions in GA (Ecommerce)

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Overview

With GA, you can get information about customer orders (transactions).

Transactions represent orders created. Thus, the statistics measures all customer orders regardless of payment result, including the ones that use an offline payment method.

Transaction data is transferred the first time you get to the page of successful order creation (/order/complete):

The customer must add a product to the checkout page, enter their personal data, select a payment method, agree to the terms of sale and the processing of their personal data (if necessary) and click Continue
After that:
- An order is created having status new / not paid
- The customer sees the page confirming the successful order creation (/order/complete) and also containing the order payment form
- The transaction data is transferred to the GTM container

More details on the data transferred in the reference guide.

Get Started

To set up tracking of transactions, you must:

Add your GTM container to your checkout page. Follow the instructions on how to connect
Set up a basic connection of your Google Analytics tag:

Follow the instructions on how to connect and create an account, a Ga4 property and a data stream
When configuring, remember the data stream identifier formatted as G-NNNNNNNNNN, as you will need it later

After these steps have been done, follow the instructions below.

How to Set Up

Create Variable Constant (ga4_tag_id)

On Google Tag Manager website (https://tagmanager.google.com/):

Go to your GTM container added earlier
Click Variables
Create a variable having the following settings:

Name*	ga4_tag_id
Variable Type	Constant
Value	Enter your data stream ID in format G-NNNNNNNNNN. You received it when created the data stream for the GA4 property earlier

* The name of the variable given is an example. You can think of your own name for your variable.

Create Google Tag (ga4_config)

On Google Tag Manager website (https://tagmanager.google.com/):

Go to your GTM container added earlier
Click Tags
Create a tag having the following settings:

Name*

ga4_config

Tag Type

Google Tag

Tag ID

Select the Variable Constant created in the previous step:

{{ga4_tag_id}}

Configuration settings

Add the configuration parameter:

Configuration parameter	Value
send_page_view	true

Triggering

All Pages - Page View

* The name of the tag given is an example. You can think of your own name for your tag.

Create Data Layer Variables

On Google Tag Manager website (https://tagmanager.google.com/):

Go to your GTM container added earlier
Click Variables
Create some variables having the following settings:

Name*	Variable Type	Data Layer Variable Name (must not modify!)	Data Layer Version
ga4_affiliation_ec	Constant	ecommerce.affiliation	Version 2
ga4_coupon_ec	Constant	ecommerce.coupon	Version 2
ga4_currency	Constant	ecommerce.currency	Version 2
ga4_items_ec	Constant	ecommerce.items	Version 2
ga4_shipping_ec	Constant	ecommerce_shipping	Version 2
ga4_tax_ec	Constant	ecommerce.tax	Version 2
ga4_transaction_id_ec	Constant	ecommerce.transaction_id	Version 2
ga4_value_ec	Constant	ecommerce.value	Version 2

* The names of the variables given are examples. You can think of your own names for your variables. Note that the Data Layer Variable Name must not be modified. The data transferred will be compared with the variable by this name. For the description of values, see the reference guide.

Create Purchase Event Trigger

On Google Tag Manager website (https://tagmanager.google.com/):

Go to your GTM container added earlier
Click Triggers
Create a trigger having the following settings:

Name*	purchase
Trigger Type	Custom Event
Event name (must not modify!)	purchase
This trigger fires on	All Custom Events

* The name of the trigger given is an example. You can think of your own name for your trigger. Note that the Trigger Name must not be modified.

Create GA4 Event Tag (ga4_purchase)

On Google Tag Manager website (https://tagmanager.google.com/):

Go to your GTM container added earlier
Click Tags
Create a tag having the following settings:

Name*

ga4_purchase

Tag type

Google Analytics: GA4 event

Measurement ID

Select the Variable Constant created in the previous step:

{{ga4_tag_id}}

Event Name

Select the purchase event trigger name created earlier:

purchase

Event Parameters

Add the data layer variables created earlier:

Parameter Name	Value
transaction_id	{{ga4_transaction_id_ec}}
value	{{ga4_value_ec}}
coupon	{{ga4_coupon_ec}}
currency	{{ga4_currency}}
shipping	{{ga4_shipping_ec}}
tax	{{ga4_tax_ec}}
affiliation	{{ga4_affiliation_ec}}
items	{{ga4_items_ec}}

Triggering

Select the purchase event trigger created earlier:

purchase

* The name of the tag given is an example. You can think of your own name for your tag.

Publish Containers

On Google Tag Manager website (https://tagmanager.google.com/):

Go to your GTM container created earlier
Click Submit at the top right-hand side of the main page

View Statistics

You can view transaction data in GA4 via the Monetization overview tab.

For example, in the Ecommerce Purchases report, you can get revenue statistics grouped by product name, ID, category (product business segment).

More details in Google Analytics Help:

To get detailed information, use creation of custom reports via the Explorations tab. Here you can customize reports by adding dimensions and metrics from the Ecommerce tab.

Example of a transaction report

Example of a product report

See Google Analytics Help for more details on how to set up Ecommerce exploration solutions.

You can see the transaction data we transfer to GTM in the reference guide.