ActorSpawner

/*Blueprint Reference of UsefulActor class*/
UPROPERTY(EditDefaultsOnly,Category="ActorSpawning")
TSubclassOf<AUsefulActor> UsefulActorBP;

/*Delay after the Blueprint of the UsefulActor will get spawned*/
UPROPERTY(EditDefaultsOnly, Category = "ActorSpawning")
float TimeToSpawn = 2.f;

/*Spawns the UsefulActor Blueprint*/
UFUNCTION()
void SpawnUsefulActor();