What's the exact syntax for populating data layer elements in Adobe Launch using ACDL?

Question

Simple question for you folks, but I don't get it. It's the first time I am using the event driven approach in Adobe Launch.

I manage to trigger the server call for overlay events, but do not know how to retrieve the values from eventInfo attributes. I tried "event.message.eventInfo.articleName", "adobeDataLayer.eventInfo.articleName", "eventInfo.articleName" but none of these return any value, so I wonder what's the exact syntax to retrieve the values? Do I need to configure anything else in Launch before? I am using version 2.0.2 of the Adobe Client Data Layer.

window.adobeDataLayer.push({

"event": "overlay",

"eventInfo": {

"articleId": "10787",

"articleName": "Lorem Ipsum",

"articleDateTime": "4.12.2024",

"contentType": "news",

"rating": "25"

}

});

bjoern__koth · Accepted Answer

Hi @judithko

to be precise: the _extension_ does not support eventInfo based data elements.

You can still use custom code to return that code information though

return event.message.eventInfo.someprop

Just make sure to make it failsafe by using optional chaining

return event?.message?.eventInfo?.someprop

!!! to retrieve this data elements, it is _mandatory_ to pass in the event as second parameter

_satellite.getVar("myDataElement", event);

Maybe that's what's missing?

Gokul_Agiwal · Answer

Hi @judithko

Are you using ACDL extension or you're injecting the ACDL file directly?

here in your case, the approach you tried -

adobeDataLayer.eventInfo.articleName: The adobeDataLayer object contains all pushed data but does not directly expose event-specific attributes like eventInfo.
eventInfo.articleName: This alone won't work because it must be accessed via the event object.

So basically, The values in eventInfo are available on the event object passed by the ACDL. Here's how you can access them:

window.adobeDataLayer.addEventListener("overlay", function(event) {
    console.log(event.eventInfo.articleName); // Accesses "Lorem Ipsum"
});

In case if you're unsure and facing issues then you can debug through browser console -

Run console.log(window.adobeDataLayer) in your browser's developer console to verify the structure and content.

Hope this helps.

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