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).
| Node | Description |
|---|---|
| Add (Set Nodes) | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/Add:description% |
| Add Items | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/AddItems:description% |
| Clear (Set Nodes) | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/Clear:description% |
| Contains Item | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/ContainsItem:description% |
| Difference | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/Difference:description% |
| Intersection | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/Intersection:description% |
| Length (Sets) | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/Length:description% |
| Remove (Set Nodes) | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/Remove:description% |
| Remove Items | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/RemoveItems:description% |
| To Array | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/ToArray:description% |
| Union | %ProgrammingAndScripting/Blueprints/UserGuide/Sets/SetNodes/Union:description% |