Actor Spawning

void AActorSpawner::BeginPlay()
{
    Super::BeginPlay();

    FTimerHandle OutHandle;

    //Will call SpawnUsefulActor after the specified time
    GetWorld()->GetTimerManager().SetTimer(OutHandle, this, &AActorSpawner::SpawnUsefulActor, TimeToSpawn);

}
void AActorSpawner::SpawnUsefulActor()
{
    //If the usefulactorbp is valid
    if(UsefulActorBP)
    {
        //Spawn parameters for the current spawn.
        //We can use this for a number of options like disable collision or adjust the spawn position
        //if a collision is happening in the spawn point etc..
        FActorSpawnParameters SpawnParams;

        //Actual Spawn. The following function returns a reference to the spawned actor
        AUsefulActor* ActorRef = GetWorld()->SpawnActor<AUsefulActor>(UsefulActorBP, GetTransform(), SpawnParams);

        GLog->Log("Spawned the UsefulActor.");
    }
}