A Set's node interface provides the following functionality for developers working in Blueprints: adding items to a
Set, removing items from a Set, clearing Sets, looking up items contained in a Set, and checking a Set's length.
The following guide provides additional information about the various nodes that make-up Blueprint Sets in Unreal Engine 4 (UE4).
Adds an item to a Set.
Adds items from a specified Array to a Set.
Clears all items from a Set.
Checks to see if a Set contains an item.
Takes the relative difference of two Sets, assigning the difference to a resultant Set.
Takes the intersection of two Sets, assigning the intersection to a resultant Set.
Gets the number of items (length) in a Set.
Removes an item from a Set.
Removes items specified in an Array from a Set.
Copies a Set into an Array.
Performs a union of two Sets, assigning the union to a resultant Set.