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348 gameplay programmer interview questions shared by candidates

In Unreal Engine, what is the primary purpose of the UCLASS() macro, and what must an associated header file typically include? Answer: It exposes the C++ class to the Unreal Reflection System, allowing it to be used by the editor, Blueprints, and Garbage Collection. The header file must include the generated file: [ClassName].generated.h.
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Gameplay Programmer

Interviewed at Microsoft

4★
Nov 17, 2025

In Unreal Engine, what is the primary purpose of the UCLASS() macro, and what must an associated header file typically include? Answer: It exposes the C++ class to the Unreal Reflection System, allowing it to be used by the editor, Blueprints, and Garbage Collection. The header file must include the generated file: [ClassName].generated.h.

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