static [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * AppendRectangleXY ( [UDynamicMesh](API\Runtime\GeometryFramework\UDynamicMesh) * TargetMesh, [FGeometryScriptPrimitiveOptions](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptPrimitiveOptions) PrimitiveOptions, FTransform Transform, float DimensionX, float DimensionY, int32 StepsWidth, int32 StepsHeight, [UGeometryScriptDebug](API\Plugins\GeometryScriptingCore\GeometryScript\UGeometryScriptDebug) * Debug )