Unreal Engine 4.26 Documentation

Unreal Engine 4.27 Documentation

Unreal Engine 5.0 Documentation

Unreal Engine 5.1 Documentation

Unreal Engine 5.2 Documentation

Unreal Engine 5.3 Documentation

> Unreal Engine Blueprint API Reference > Utilities > Set > Union

Light Theme

Dark Theme

Union

Windows

MacOS

Linux

Assigns Result to the union of two sets, A and B. That is, Result will contain all elements that are in Set A and in addition all elements in Set B. Note that a Set is a collection of unique elements, so duplicates will be eliminated.

Target is Blueprint Set Library

UNION

Inputs

	In Exec
	A Set of Wildcards	One set to union
	B Set of Wildcards	Another set to union

Outputs

	Out Exec
	Result Set of Wildcards	Set to store results in

Help shape the future of Unreal Engine documentation! Tell us how we're doing so we can serve you better.

Take our survey

Dismiss