[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=URigHierarchyController) [FString](API\Runtime\Core\Containers\FString) ExportToText ( [TArray](API\Runtime\Core\Containers\TArray)< [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) > InKeys ) const