Update README.md

README.md

@@ -16,7 +16,6 @@ A similar [Variable Template do also exist for **GTM (Web)**](https://github.com
 | Cross (sub)domain tracking | No * | Yes |
 | Server to Server-side (Measurement Protocol) | No | Yes |
 | Attribution/processing | Users browser | Server-side |
-| Attribution time | Custom Time | GA4 Session or Custom Time |
 | Storage Limitation | Yes | No |
 | Costs Money | No | Yes |
 
@@ -384,7 +383,15 @@ This setup handles **add_to_cart** & **view_item**. **location_id** in this setu
 
 This solution can do either **Last Click** or **First Click Attribution**.
 
-Attribution happens on 2 levels: Promotion without Items (Event-level), and the Item-level. In addition, Item-level trumps the Event-level.
+Attribution happens on 2 levels: 
+1. Event-level
+ - Promotion without Items
+ - Search Term
+2. Item-level
+ - Implemented Items data (ex. Item List name) trumps attributed Items data. Ex. if you are adding a Item to cart directly from a Item List, the implemented Item List Name will be used. If you are adding the Item to cart from a product page (where you shouldn't have a Item List implemented), the attributed Item List Name will be used.
+
+* Item-level trumps the Event-level.
+ * Promotion without Items will not be attributed to a Item when Promotion with Items are attributed 
 
 To get a better understanding of the attribution, it's recommended to run some test scenarios where you inspect your own data:
 * Run **Server-side GTM** in **Preview Mode**