Hello @LuLong Sorry to hear you are still having some trouble here. I've checked the template for GA4, and it looks like the event "view_item_list" should generate and send an item for each element in your arrays (12) Without seeing your specific setup I can't say anything for certain, but a few things you should check 1) You are firing at "view_item_list" event with your mapping, and not a "view_item" - "view_item" is specifically told to only send the first item in your array. Based of your description, it sounds like this is the most likely issue here 2) Ensure mappings are correct for the items. You want to be mapping to both "product_id" and "product_name" within the mapping toolbox. You mention the ecommerce extension - If you are using this, the template would use the values created as "_cprod" and "_cprodname" - worth making sure these are populated correctly 3) Failing this, you can try a bit of debugging - Loading the "utag.x.js" file in your browser developer tools - where X is the UID of the tag (e.g. utag.123.js) will allow you to place breakpoints on the code - You can find a function called "getItems" which is the part generating the list of items to be sent, with some breakpoints here you might be able to get an idea of whats going on. If the steps here don't work, or you are still not sure what to be doing, drop me a message here, or reach out to your support team where a CSE will be happy to look in to your specific setup.
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