You can enable item durability in the ItemList in the Durability Details.

Use Durability – If true the item will have a durability value and use the durability system.

Max Durability – Is the items durability value when fully repaired

Destroy Item At 0 Durability – If true the item will be destroyed when the item hits 0 durability value

Can Repair – If true you can right click the item in the inventory and repair it if the items durability value is less then 0

Repair Actors – These are actors you need to be close to be able to repair the item

Repair Cost – This is the item cost to repair the item