static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * AppendCurvedStairs ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptPrimitiveOptions](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptPrimitiveOptions) PrimitiveOptions, FTransform Transform, float StepWidth, float StepHeight, float InnerRadius, float CurveAngle, int NumSteps, bool bFloating, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )