# `GSFontViewController.vertWidthMetricsKey`

*Instance Property*

## Declaration

```swift
var vertWidthMetricsKey: String! { get set }
```

```objc
@property (nonatomic, strong) NSString * vertWidthMetricsKey;
```

```python
vertWidthMetricsKey() -> str
setVertWidthMetricsKey_(vertWidthMetricsKey: str)
```