ArkItem

Field	Datatype	Default	Description
className	String	No default, required	The Name of the class of the item
blueprintGeneratedClass	String	No default, required	The full Path of the class
isEngram	Boolean	false	True to make a blueprint act like an engram, requiring the player to learn it
isBlueprint	Boolean	false	True if this item should be a blueprint
canRemoveFromCluster	Boolean	true	False will allow players to retrieve unlimited copies of this item, it will remain inside the cluster inventory until time runs out
quantity	Integer	1	The quantity of the item stack
customName	String	empty	Overrides the default item name
customDescription	String	empty	Overrides the description of the item
durability	Float	0.0	Sets the durability of the item, health for eggs
rating	Float	0.0	ItemRating of the item, used for repair cost calculation, hatching progress for eggs
quality	Byte	0	Quality Index of the item, starts at 0 for Primitive. Has influence on crafting and repairing cost. List of Qualities: ItemQuality
itemStatsValue_index	Short	0	RandomizedQuality of the stat. Note that ark-tools reads this as a signed value, which makes -1 the highest value. This is RQ in https://ark.gamepedia.com/Item_Quality#Item_Stat_Value The range and meaning of index can be found in the devkit or here: ItemStatDefinitions
eggLevelup_index	Byte	0	Attributes of a fertilized egg. List of Attributes can be found in the devkit or here: Attributes
uploadOffset	Integer	0	Seconds added to the upload timestamp. Positive values cause items to stay longer in the cluster before being deleted. ARK does not care about recieving items from the future and will happily lengthen the "Cluster-Timer".