# `GSInstance.isBold`

*Instance Property*

The style linking bold bit.

## Declaration

```swift
var isBold: Bool { get set }
```

```objc
@property (nonatomic) BOOL isBold;
```

[See also `isBold` in the Python API](https://docu.glyphsapp.com/#GSInstance.isBold)

```python
pyobjc_instanceMethods.isBold() -> bool
pyobjc_instanceMethods.setIsBold_(isBold: bool)
```