# `GSLayer plainMetricsKeyUI:`

*Instance Method*

Plain metrics key for display and editing.

## Declaration

```swift
func plainMetricsKeyUI(_ side: GSMetricNumbers) -> String?
```

```objc
- (NSString *) plainMetricsKeyUI:(GSMetricNumbers) side;
```

```python
plainMetricsKeyUI_(side: GSMetricNumbers) -> str
```

## Parameters

- `side` — The metric side whose key should be returned.

## Discussion

This resolves the effective key for the metric side without annotations.

## See Also

### Metrics Keys Utilities

- [`GSLayer attributedMetricsKey:fontSize:state:`](/Core/GlyphsCore/GSLayer/attributedMetricsKey:fontSize:state:) — Attributed display string for a metrics key.
- [`GSLayer alignedMetricsValueForKey:`](/Core/GlyphsCore/GSLayer/alignedMetricsValueForKey:) — Numeric offset encoded in an aligned metrics key.
- [`GSLayer metricsKeysOutOfSync`](/Core/GlyphsCore/GSLayer/metricsKeysOutOfSync) — Whether any horizontal metrics key is out of sync.
- [`GSLayer metricsKeysInvalid`](/Core/GlyphsCore/GSLayer/metricsKeysInvalid) — Whether any horizontal metrics key is invalid.
- [`GSLayer metricsLabelForSide:`](/Core/GlyphsCore/GSLayer/metricsLabelForSide:) — Localized label for a metric side.
- [`GSLayer colorForMetricsState:`](/Core/GlyphsCore/GSLayer/colorForMetricsState:) — Display color for metrics key state flags.