basket_event.html.twig

# templates/cart/add_confirmation.html.twig #}
{% extends 'base.html.twig' %}

{% block content %}
    <div class="cart-notification">
        <p>Product "{{ product.name }}" has been added to your cart!</p>
        <p>Quantity: {{ addedQuantity }}</p>
    </div>

    {# Build basket content string: "SKU:quantity;SKU:quantity" #}
    {% set basketContent = [] %}
    {% for item in basket.items %}
        {% set basketContent = basketContent|merge([item.product.code ~ ':' ~ item.quantity]) %}
    {% endfor %}

    {# Track basket addition #}
    {% set basketContext = {
        'basketContent': basketContent|join(';'),
        'basketId': basket.id,
        'quantity': addedQuantity
    } %}

    {{ ibexa_tracking_track_event('basket', product, basketContext) }}

    <a href="{{ path('cart_view') }}">View Cart</a>
{% endblock %}
```

Simplified example with Twig filter:

``` html+twig
{# If you have a custom Twig filter to format basket content #}
{% set basketContext = {
    'basketContent': basket|format_basket_content,  {# Returns "SKU-1:2;SKU-2:1;SKU-3:5" #}
    'basketId': basket.id,
    'quantity': addedQuantity
} %}

{{ ibexa_tracking_track_event('basket', product, basketContext) }}