---
metadata:
- name: generator
content: Diplodoc Platform v5.50.6
alternate:
- https://yandex.com/support/metrica/en/ecommerce/check.md
- https://yandex.com/support/metrica/es/ecommerce/check.md
- https://yandex.com/support/metrica/pt/ecommerce/check.md
- https://yandex.com/support/metrica/ru/ecommerce/check.md
- https://yandex.com/support/metrica/tr/ecommerce/check.md
- https://yandex.com/support/metrica/zh/ecommerce/check.md
title: Checking E-commerce settings
description: How to check e-commerce settings and the correctness of the transmitted data.
---
> **Documentation Index:** Fetch the complete configuration index at https://yandex.com/support/metrica/en/llms.txt
# Checking E-commerce settings
To check whether E-commerce is set up correctly:
1. Go to the tag settings in Yandex Metrica and make sure that:
- The **E-commerce** option is enabled.
- The **Data container** field contains the value `dataLayer` (default) or some other value.
1. Check that the code snippet on your site contains the `ecommerce:true` or `ecommerce:"data container"` parameter (the default value is `ecommerce:"dataLayer"`). In the latter case, the name of the data container must match the one specified in the tag settings.
1. Append the `ym_debug=2` parameter to the page URL in the browser’s address bar and reload the page.
```httpget
http://example.com/?_ym_debug=2
```
1. Perform an action on the page: for example, add an item to the shopping cart. It must correspond to the event [Adding an item to the basket](https://yandex.com/support/metrica/en/ecommerce/data.md#add).
At the bottom of the page, click . The debug panel appears.
{% note info %}
The `_ym_debug=2` parameter only works if the [new Yandex Metrica code snippet](https://yandex.com/support/metrica/en/general/tag-info.md) is installed on the website. If you have an older version of the code snippet or the debug panel doesn’t appear, use the [browser console](#debug1).
{% endnote %}
1. If the **E-commerce** tab contains information about the action, it means that the order data has been transferred to Yandex Metrica.
{.border-yes}
You can also [log your actions](https://yandex.com/support/metrica/en/general/debugger.md#logs) when working with the debugger.
{% cut "Checking via the browser console" %} {#debug1}
Use this method if your website has an older version of the Yandex Metrica tag.
1. Go to the tag settings in Yandex Metrica and make sure that:
- The **E-commerce** option is enabled.
- The **Data container** field contains the value `dataLayer` (default) or some other value.
1. Check that the code snippet on your site contains the `ecommerce:true` or `ecommerce:"data container"` parameter (the default value is `ecommerce:"dataLayer"`). In the latter case, the name of the data container must match the one specified in the tag settings.
1. Append the `ym_debug=1` parameter to the page URL in the browser's address bar and reload the page.
```httpget
http://example.com/?_ym_debug=1
```
Next, open the browser console with the keyboard shortcut **Ctrl** + **Shift** + **J** (**⌥** + **⌘** + **J** for Apple OS).
1. Perform an action on the page: for example, add an item to the shopping cart. It must correspond to the event [Adding an item to the basket](https://yandex.com/support/metrica/en/ecommerce/data.md#add).
1. If you see `ecommerce` in the parameters, and then `add` at the level below, the data format matches the example provided in the [Adding an item to the basket](https://yandex.com/support/metrica/en/ecommerce/data.md#add) event, this means that the order data has been sent to Yandex Metrica. After a while, it appears in [reports](https://yandex.com/support/metrica/en/reports/ecommerce.md).
{.border-yes}
{% endcut %}
## Checking the correctness of the transmitted data {#data}
The example checks the data that is passed in the event [Adding an item to the basket](https://yandex.com/support/metrica/en/ecommerce/data.md#add).
1. Check that the code snippet on your site contains the `ecommerce:true` or `ecommerce:"data container"` parameter (the default value is `ecommerce:"dataLayer"`). In the latter case, the name of the data container must match the one specified in the tag settings.
1. Open the browser console with the keyboard shortcut **Ctrl** + **Shift** + **J** (**⌥** + **⌘** + **J** for Apple OS).
1. In the console settings, enable the option **Preserve log**.
{.border-yes}
1. Perform an action on the page: for example, add an item to the shopping cart. It must correspond to the event [Adding an item to the basket](https://yandex.com/support/metrica/en/ecommerce/data.md#add).
1. In the console, insert the command `JSON.stringify()`. The default value is `JSON.stringify(dataLayer)`.
If in the console:
**There is information about the data array.**
1. Copy the array (except for the outer square brackets).
1. To view the data, use any JSON parser.
1. Make sure that the data format matches the event [Adding an item to the basket](https://yandex.com/support/metrica/en/ecommerce/data.md#add).
**The error “dataLayer is not defined” was displayed.**
: This means that the line `window.dataLayer = window.dataLayer || [];` is missing from the code of the page where you are checking the event.
[How to set up data transmission](https://yandex.com/support/metrica/en/ecommerce/data.md)
**An empty data array was displayed in the form of [] (square brackets).**
: This means that the array is declared (in the example `dataLayer`), but [data transmission](https://yandex.com/support/metrica/en/ecommerce/data.md#add) is not set up for the event being checked.
## Learn more
- [Troubleshooting](https://yandex.com/support/metrica/en/ecommerce/troubleshooting.md)
[Chat with us](https://yandex.com/chat/#/user/036e6a02-3620-9cdc-4c5e-a34667a7379e?utm_source=spravka){.button}
{% cut "Write an email" %}
Please note: Our support team will never initiate a call to you. Do not follow any instructions of people who call you and introduce themselves as the Yandex Metrica support team.
{% endcut %}
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Useful links
- [Demo tag](https://metrica.yandex.com/r/dashboard?)
- [Add a tag](https://metrica.yandex.com/add/)
- [Free tag setup](https://yandex.com/promo/freeservice/metrica?utm_source=help_metrica_en&utm_medium=cpc&utm_campaign=1)
- [Yandex Metrica API](https://tech.yandex.com/metrika/)
- [Suggest your idea](https://yandex.com/support/metrica/troubleshooting/idea.html)
- [Discuss in Telegram](https://t.me/yandexmetrika)
|
Online training
- [Get a Yandex Metrica certificate](https://yandex.ru/adv/expert/exam/metrika/?utm_source=metrika_help&utm_medium=web&utm_campaign=static&utm_content=useful_links)
- [Take a training course](https://yandex.com/adv/edu/online/metrika?utm_source=metrika_help&utm_medium=web&utm_campaign=static&utm_content=useful_links)
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