void DoSpawning ( const [FMassEntityTemplate](API\Plugins\MassSpawner\FMassEntityTemplate) & EntityTemplate, const int32 NumToSpawn, [FConstStructView](API\Plugins\StructUtils\FConstStructView) SpawnData, [TSubclassOf](API\Runtime\CoreUObject\Templates\TSubclassOf)< [UMassProcessor](API\Plugins\MassEntity\UMassProcessor) > InitializerClass, [TArray](API\Runtime\Core\Containers\TArray)< [FMassEntityHandle](API\Plugins\MassEntity\FMassEntityHandle) > & OutEntities )