# `GSLayer metricKeyOffsets()`

*Instance Method*

Metrics key offsets used by automatic component alignment.

## Declaration

```swift
func metricKeyOffsets() -> (left: CGFloat, right: CGFloat, width: CGFloat?)
```

## See Also

### Metrics Key Alignment

- [`GSLayer.hasAlignedWidth`](/Core/GlyphsCore/GSLayer/hasAlignedWidth) — Whether automatic alignment controls the layer width.
- [`GSLayer hasAlignedSideBearings`](/Core/GlyphsCore/GSLayer/hasAlignedSideBearings) — Whether automatic alignment controls side bearings.
- [`GSLayer.isAligned`](/Core/GlyphsCore/GSLayer/isAligned) — Whether components are currently aligned by automatic alignment.
- [`GSLayer.isAligning`](/Core/GlyphsCore/GSLayer/isAligning) — Whether an automatic alignment operation is in progress.
- [`GSLayer checkIfAlign`](/Core/GlyphsCore/GSLayer/checkIfAlign) — Whether automatic component alignment can be applied to the layer.
- [`GSLayer doAlignWidth`](/Core/GlyphsCore/GSLayer/doAlignWidth) — Applies automatic width alignment.