> For the complete documentation index, see [llms.txt](https://docs.ingestlabs.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.ingestlabs.com/implementation/web-sdk/tracking-events/store-client-session.md).

# Store Client Session

This event should be triggered in 2 instances:

1. When the first item is added to a cart
2. At the beginning of a browser session, and if there is an existing cart.

```
window._mp.safeExecute('evStoreClientSession', function() {
   eedl('store_client_session', {
      cart_token: '<cart id or cart token>'
    });
  })();
```

If the event occurs in a iframe window, you need to fire the event using the below script.

```
window.top.postMessage({
      event_name: 'store_client_session',
      event_payload: {
            cart_token: '<cart id or cart token>'
          }
    },
    'PARENT_URL'
);

PARENT_URL is the url of the website.
```

[<br>](https://magic-pixel.gitbook.io/ingest-labs-implementation/web-sdk/tracking-events/products-array)


---

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