---
title: whenFull
framework: combine
role: symbol
role_heading: Instance Property
path: combine/publishers/buffer/whenfull
---

# whenFull

The action to take when the buffer becomes full.

## Declaration

```swift
let whenFull: Publishers.BufferingStrategy<Publishers.Buffer<Upstream>.Failure>
```

## See Also

### Inspecting publisher properties

- [upstream](combine/publishers/buffer/upstream.md)
- [size](combine/publishers/buffer/size.md)
- [prefetch](combine/publishers/buffer/prefetch.md)