# `GSGlyphViewControllerProtocol.displayMastersPivotAxisId`

*Instance Property*

The ID of the axis by which masters are grouped. A `nil` value indicates no grouping.

## Declaration

```swift
var displayMastersPivotAxisId: String? { get set }
```

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

```python
displayMastersPivotAxisId() -> str
setDisplayMastersPivotAxisId_(displayMastersPivotAxisId: str)
```