How to implement a key in the local storage with timestamp on GTM
Insert the following script into a Tag in Google Tag Manager:
<script> window.localStorage.setItem('meiroCartTimestamp', new Date().toISOString());
The tag needs to fire on the addition or removal of the item from the cart - these triggers need to be defined in Google Tag Manager.
The use case for abandoned basket web banner
The key meiroCartTimestamp will be created when a product is added or changed e.g. in the shopping cart and a trigger has to be defined in Google Tag Manager.
In this use case, in web banners conditions:
Insert local storage key name:
Count, Units, and Before/ after custom to the expected outcome
(until - 30 minutes - before for abandoned basket use case usually).
To learn more about this use case, please reach out to the Meiro team.
Learn more about abandoned basket web banner HTML template.