# `BCCollectionViewLayoutOperation.collectionView`

*Instance Property*

## Declaration

```swift
unowned(unsafe) var collectionView: BCCollectionView! { get set }
```

```objc
@property (unsafe_unretained) BCCollectionView * collectionView;
```

```python
collectionView() -> BCCollectionView
setCollectionView_(collectionView: BCCollectionView)
```