# `GSLayer addInflectionPoints`

*Instance Method*

Adds nodes at inflection points of cubic segments.

## Declaration

```swift
func addInflectionPoints()
```

```objc
- (void) addInflectionPoints;
```

```python
addInflectionPoints()
```

## See Also

### Adding Path Nodes

- [`GSLayer addExtremePoints`](/Core/GlyphsCore/GSLayer/addExtremePoints) — Adds nodes at extrema of all path segments where needed.
- [`GSLayer addExtremePointsForce:checkSelection:`](/Core/GlyphsCore/GSLayer/addExtremePointsForce:checkSelection:) — Adds nodes at extrema of path segments.