[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category=URigHierarchy) [TArray](API\Runtime\Core\Containers\TArray)< [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) > GetChildren ( [FRigElementKey](API\Plugins\ControlRig\Rigs\FRigElementKey) InKey, bool bRecursive ) const