# `BCCollectionViewLayoutManager enumerateItems:completionBlock:`

*Instance Method*

## Declaration

```swift
func enumerateItems(_ itemIterator: BCCollectionViewLayoutOperationIterator!, completionBlock: (@Sendable () -> Void)!)
```

```swift
func enumerateItems(_ itemIterator: BCCollectionViewLayoutOperationIterator!) async
```

```objc
- (void) enumerateItems:(BCCollectionViewLayoutOperationIterator) itemIterator completionBlock:(dispatch_block_t) completionBlock;
```

```python
enumerateItems_completionBlock_(itemIterator: BCCollectionViewLayoutOperationIterator, completionBlock: dispatch_block_t)
```