I'm a bit confused on the directions which I need to give to my DEV for implementing the ecommerce tagging with GA & Adobe Analytics via Tealium. Our product is purchased through a 8-step (page) process. Customer move from step to step by clicking the next button until the last step which is the final "purchase" button. The steps are: 1) Start Page 2) Main Product Add to Cart 3) Optional Add-On Add to Cart #1 4) Optional Add-On Add to Cart #2 5) Optional Add-On Add to Cart #3 6) Customer Details 7) Payment Details 8) Confirmation For this reason, our "cart" is finite as at most you can only purchase 4 items and. The cart can contain as little as one item. My question is on how to populate the data layer. Do I need to continually populate the ecommerce values of the variables (product_id, product_name, product_variant, product_category, product_price, product_quantity) on every single "add_to_cart" event or do I just poplate the item that is being added at that time. Example 1: Step 2: event_name : add_to_cart
product_name : ['main_product'] step 3: event_name : add_to_cart
product_name : ['main_product', 'optional_add_on1'] step 4: event_name : add_to_cart
product_name : ['main_product', 'optional_add_on1', 'optional_add_on2'] step 5: event_name : add_to_cart
product_name : ['main_product', 'optional_add_on1', 'optional_add_on2', 'optional_add_on3'] Example 2: Step 2: event_name : add_to_cart
product_name : ['main_product'] step 3: event_name : add_to_cart
product_name : ['optional_add_on1'] step 4: event_name : add_to_cart
product_name : ['optional_add_on2'] step 5: event_name : add_to_cart
product_name : ['optional_add_on3']
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