bool LineTraceMultiByChannel ( [TArray](API\Runtime\Core\Containers\TArray)< struct [FHitResult](API\Runtime\Engine\Engine\FHitResult) > & OutHits, const FVector & Start, const FVector & End, ECollisionChannel TraceChannel, const [FCollisionQueryParams](API\Runtime\Engine\FCollisionQueryParams) & Params, const [FCollisionResponseParams](API\Runtime\Engine\FCollisionResponseParams) & ResponseParam ) const