UObjectBase
UObjectBaseUtility
UObject
USubsystem
UDynamicSubsystem
UEditorSubsystem
UEditorActorSubsystem -- SpawnActorFromObject
UObjectBase
UObjectBaseUtility
UObject
UEditorUtilityObject
UActorActionUtility
UActorActionUtility : public UEditorUtilityObject, public IEditorUtilityExtension
UEditorUtilityExtension : public UInterface
UObjectBase
UObjectBaseUtility
UObject
UEditorUtilityObject
UActorActionUtility