[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=Niagara, Meta=(DisplayName="Set Niagara Variable By String (Actor)", Keywords="user parameter variable actor")) void SetNiagaraVariableActor ( const [FString](API\Runtime\Core\Containers\FString) & InVariableName, [AActor](API\Runtime\Engine\GameFramework\AActor) * Actor )