# `GlyphsFileFormat.progressController`

*Instance Property*

## Declaration

```swift
optional var progressController: (any GlyphsProgressProtocol & NSObjectProtocol)! { get set }
```

```objc
@property (strong) NSObject<GlyphsProgressProtocol> * progressController;
```

```python
progressController() -> NSObject<GlyphsProgressProtocol>
setProgressController_(progressController: NSObject<GlyphsProgressProtocol>)
```