When a new SOLIDWORKS Cut-List Property is needed in multiple cut-list items, the weldment feature can be used to add the property to all cut-list items at a time. Right-click on the Weldment feature in the design tree and select Properties. Add the name of the new property and confirm OK.
So, this is a great short cut for entering a new Cut List Property to your models as well as how to enter in values for this property much quicker than one at a time.