[Solution_Lop]

Originally Posted by Baertram https://wiki.esoui.com/EVENT_INVENTO...LE_SLOT_UPDATE This should be the event that triggers if any item get's into your BAG_BACKPACK (from loot etc.) but be carefull, it also triggers if anything happens with the items like durability of worn items changes, or stack is split in inventory, etc. So add event filters there to "isNew" e.g.. Event filters are described here: https://wiki.esoui.com/AddFilterForEvent

Yes, I was considering this event, but I couldn't figure out how to determine the source of the item, that is, whether it was obtained, for example, from an alchemical bag.