Complete guide how to setup GA4 on Shopify

Step 8. How to implement GA4 view_tem_list event in Shopify

Published by
Oct 20, 2022

To be able to analyze in Google Analytics 4(GA4) traffic on your products pages and report for example which items are most popular you have to implement GA4 view_item_list event. Below, you will find instructions on how to do it using Google Tag Manager and data layer variables in Shopify.

  1. Implement data layer variables in Shopify.
    In this step we implement products data layer variables into Shopify template. These variables we use later in GTM to sent them to Google Analytics every time when user visit Shopify product page.
    view item ist event.
    Let's go to your Shopify Admin to edit your theme.liquid template. (Online Store>Themes>Edit your template code>theme.liquid).

    Inside your section, before the part about GTM, paste the following data layer code:

    {% if template contains 'collection' %}
    window.dataLayer = window.dataLayer || [];
    'event': 'view_item_list',
    'item_list_id': '{{}}',
    'item_list_name': '{{ collection.title}}',
    'items': [
    {% for product in collection.products %}
    'item_id': '{{}}',
    'item_name': '{{product.title}}',
    'item_category': '{{product.type}}',
    'price': '{{ product.price | times: 0.01 }}'
    {% endfor %}
    {% endif %}
  2. Define new variables in Google Tag Manager using data layer.
    Go to "Variables" and in "User-Defined Variables" section click "New" button. Than:
    a) Create "DL – item_list_id" data layer variable as follow (chose variable type as "Data Layer Variable")
    data layer variabl View item list id.
    b) Create "DL – item_list_name" data layer variable as follow (chose variable type as "Data Layer Variable")
    name data layer variables

    c) If you don't already have "DL – items"created, create it in the same way as Variables above (chose variable type as "Data Layer Variable").
  3. Create trigger that we use to fire new view_item tag.
    Go to trigger section and create new trigger:
    GTM new trigger.

    a) Create new "CE view_item_list" trigger as follow:
    view item list trigger
  4. Create GA4 – view_item_list tag in Google Tag Manger.
    Go to "Tags" and click "New" button to add new tag.
    view item list tag
    and name like "GA4 – view_item_list", then choose tag type and select "Google Analytics: GA4 Event", and your configuration tag that you have already created here: How to implement GA4 Configuration tag in Google Tag Manager? and set "Event Name" to "view_item_list",
    then setup "Event Parameters" as follow:
    setup Event Parameters
    then choose your trigger that you have already created a while before (CE view_item_list),
    View item list choose your trigger.

    and click "Save" button on the top right corner, and click "Submit" to published.

Lets go to the next step of our tutorial which is:How to implement GA4 select_item event in Shopify

Published Oct 20, 2022 by Anna Bacciarelli

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