AppendSimpleExtrudePolygon ( UDynamicMesh* TargetMesh, FGeometryScriptPrimitiveOptions Pri..., FTransform Transform, const TArray< FVector2D >& Polygon..., float Height, int32 HeightSteps, bool bCapped, EGeometryScriptPrimitiveOriginMode ..., UGeometryScriptDebug* Debug )