[UFUNCTION](Programming/UnrealArchitecture/Reference/Functions)(BlueprintCallable, Category="GeometryScript|SimplePolygon", Meta=(ScriptMethod)) static void SetPolygonVertex ( [FGeometryScriptSimplePolygon](API\Plugins\GeometryScriptingCore\GeometryScript\FGeometryScriptSimplePolygon) Polygon, int32 VertexIndex, FVector2D Position, bool & bPolygonIsEmpty )